20613431602 has 16 divisors (see below), whose sum is σ = 30996034272. Its totient is φ = 10281450240.

The previous prime is 20613431567. The next prime is 20613431627.

20613431602 is nontrivially palindromic in base 10.

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, 1558477 + ... + 1571647.

It is an arithmetic number, because the mean of its divisors is an integer number (1937252142).

Almost surely, 2^20613431602 is an apocalyptic number.

20613431602 is a deficient number, since it is larger than the sum of its proper divisors (10382602670).

20613431602 is a wasteful number, since it uses less digits than its factorization.

20613431602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15033.

The product of its (nonzero) digits is 5184, while the sum is 28.

The spelling of 20613431602 in words is "twenty billion, six hundred thirteen million, four hundred thirty-one thousand, six hundred two".