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2020211102020 = 225101010555101
BaseRepresentation
bin11101011001011101111…
…101110001000101000100
321011010111222121012202011
4131121131331301011010
5231044343020231040
64144023331024004
7265645500015526
oct35313575610504
97133458535664
102020211102020
11709848555991
1228764473b004
131186748b2637
146dac8c07a16
153783c5473ea
hex1d65df71144

2020211102020 has 12 divisors (see below), whose sum is σ = 4242443314284. Its totient is φ = 808084440800.

The previous prime is 2020211101981. The next prime is 2020211102053. The reversal of 2020211102020 is 202011120202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 566759031556 + 1453452070464 = 752834^2 + 1205592^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50505277531 + ... + 50505277570.

It is an arithmetic number, because the mean of its divisors is an integer number (353536942857).

Almost surely, 22020211102020 is an apocalyptic number.

2020211102020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2020211102020 is an abundant number, since it is smaller than the sum of its proper divisors (2222232212264).

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

2020211102020 is a wasteful number, since it uses less digits than its factorization.

2020211102020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101010555110 (or 101010555108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2020211102020 its reverse (202011120202), we get a palindrome (2222222222222).

The spelling of 2020211102020 in words is "two trillion, twenty billion, two hundred eleven million, one hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 101010555101 202021110202 404042220404 505052775505 1010105551010 2020211102020