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20202020022 = 234437600459
BaseRepresentation
bin10010110100001000…
…100101110010110110
31221010220122221121210
4102310020211302312
5312333204120042
613140343222250
71313424223362
oct226410456266
957126587553
1020202020022
118627571718
123ab9747986
131b9c4bb502
14d990722a2
157d3873a9c
hex4b4225cb6

20202020022 has 16 divisors (see below), whose sum is σ = 40495250880. Its totient is φ = 6718804872.

The previous prime is 20202019993. The next prime is 20202020053. The reversal of 20202020022 is 22002020202.

It is a super-2 number, since 2×202020200222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3797572 + ... + 3802887.

It is an arithmetic number, because the mean of its divisors is an integer number (2530953180).

Almost surely, 220202020022 is an apocalyptic number.

20202020022 is an abundant number, since it is smaller than the sum of its proper divisors (20293230858).

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

20202020022 is a wasteful number, since it uses less digits than its factorization.

20202020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7600907.

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

Adding to 20202020022 its reverse (22002020202), we get a palindrome (42204040224).

The spelling of 20202020022 in words is "twenty billion, two hundred two million, twenty thousand, twenty-two".

Divisors: 1 2 3 6 443 886 1329 2658 7600459 15200918 22801377 45602754 3367003337 6734006674 10101010011 20202020022