20646226002 has 16 divisors (see below), whose sum is σ = 42071555520. Its totient is φ = 6752224752.

The previous prime is 20646225991. The next prime is 20646226039. The reversal of 20646226002 is 20062264602.

20646226002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 32462302 + ... + 32462937.

It is an arithmetic number, because the mean of its divisors is an integer number (2629472220).

Almost surely, 2^20646226002 is an apocalyptic number.

20646226002 is an abundant number, since it is smaller than the sum of its proper divisors (21425329518).

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

20646226002 is a wasteful number, since it uses less digits than its factorization.

20646226002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64925297.

The product of its (nonzero) digits is 13824, while the sum is 30.

The spelling of 20646226002 in words is "twenty billion, six hundred forty-six million, two hundred twenty-six thousand, two".