20006513922 has 16 divisors (see below), whose sum is σ = 40047211872. Its totient is φ = 6663140640.

The previous prime is 20006513921. The next prime is 20006513929. The reversal of 20006513922 is 22931560002.

It is a super-2 number, since 2×20006513922² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20006513922.

It is not an unprimeable number, because it can be changed into a prime (20006513921) 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, 1416723 + ... + 1430774.

It is an arithmetic number, because the mean of its divisors is an integer number (2502950742).

Almost surely, 2^20006513922 is an apocalyptic number.

20006513922 is an abundant number, since it is smaller than the sum of its proper divisors (20040697950).

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

20006513922 is a wasteful number, since it uses less digits than its factorization.

20006513922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848673.

The product of its (nonzero) digits is 6480, while the sum is 30.

The spelling of 20006513922 in words is "twenty billion, six million, five hundred thirteen thousand, nine hundred twenty-two".