20562002022 has 16 divisors (see below), whose sum is σ = 41424180912. Its totient is φ = 6803971200.

The previous prime is 20562002009. The next prime is 20562002023. The reversal of 20562002022 is 22020026502.

It is a self number, because there is not a number n which added to its sum of digits gives 20562002022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20562002023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12506479 + ... + 12508122.

It is an arithmetic number, because the mean of its divisors is an integer number (2589011307).

Almost surely, 2^20562002022 is an apocalyptic number.

20562002022 is an abundant number, since it is smaller than the sum of its proper divisors (20862178890).

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

20562002022 is a wasteful number, since it uses less digits than its factorization.

20562002022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25014743.

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20562002022 its reverse (22020026502), we get a palindrome (42582028524).

The spelling of 20562002022 in words is "twenty billion, five hundred sixty-two million, two thousand, twenty-two".