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1022010202020 = 223520898153903
BaseRepresentation
bin11101101111101001000…
…11100001011110100100
310121200222122111112111110
432313310203201132210
5113221034102431040
62101301025305020
7133560236245143
oct16676443413644
93550878445443
101022010202020
1136448312a4a5
121460a5195170
13754b5280312
14376736c175a
151b8b8c0c980
hexedf48e17a4

1022010202020 has 48 divisors (see below), whose sum is σ = 2862998772480. Its totient is φ = 272405558016.

The previous prime is 1022010202019. The next prime is 1022010202051. The reversal of 1022010202020 is 202020102201.

It is a super-2 number, since 2×10220102020202 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1022010201987 and 1022010202005.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3951612 + ... + 4202291.

It is an arithmetic number, because the mean of its divisors is an integer number (59645807760).

Almost surely, 21022010202020 is an apocalyptic number.

1022010202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1022010202020 is an abundant number, since it is smaller than the sum of its proper divisors (1840988570460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1022010202020 is a wasteful number, since it uses less digits than its factorization.

1022010202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8156004 (or 8156002 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 1022010202020 its reverse (202020102201), we get a palindrome (1224030304221).

The spelling of 1022010202020 in words is "one trillion, twenty-two billion, ten million, two hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2089 4178 6267 8356 10445 12534 20890 25068 31335 41780 62670 125340 8153903 16307806 24461709 32615612 40769515 48923418 81539030 97846836 122308545 163078060 244617090 489234180 17033503367 34067006734 51100510101 68134013468 85167516835 102201020202 170335033670 204402040404 255502550505 340670067340 511005101010 1022010202020