Search a number
-
+
20022022020 = 223571113333367
BaseRepresentation
bin10010101001011001…
…111100111110000100
31220200100222002210010
4102221121330332010
5312001114201040
613110433230220
71306110244020
oct225131747604
956610862703
1020022022020
118544a00540
123a69402370
131b71118510
14d7d1b9380
157c2b6ae80
hex4a967cf84

20022022020 has 192 divisors, whose sum is σ = 75271827456. Its totient is φ = 3840376320.

The previous prime is 20022022019. The next prime is 20022022021. The reversal of 20022022020 is 2022022002.

It is an interprime number because it is at equal distance from previous prime (20022022019) and next prime (20022022021).

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 = 20022021987 and 20022022005.

It is not an unprimeable number, because it can be changed into a prime (20022022021) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 106624 + ... + 226743.

It is an arithmetic number, because the mean of its divisors is an integer number (392040768).

Almost surely, 220022022020 is an apocalyptic number.

20022022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20022022020 is an abundant number, since it is smaller than the sum of its proper divisors (55249805436).

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

20022022020 is a wasteful number, since it uses less digits than its factorization.

20022022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333410 (or 333408 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20022022020 its reverse (2022022002), we get a palindrome (22044044022).

The spelling of 20022022020 in words is "twenty billion, twenty-two million, twenty-two thousand, twenty".