20674690502 has 8 divisors (see below), whose sum is σ = 31042774200. Its totient is φ = 10327099104.

The previous prime is 20674690493. The next prime is 20674690529. The reversal of 20674690502 is 20509647602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 20674690502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5120552 + ... + 5124587.

It is an arithmetic number, because the mean of its divisors is an integer number (3880346775).

Almost surely, 2^20674690502 is an apocalyptic number.

20674690502 is a deficient number, since it is larger than the sum of its proper divisors (10368083698).

20674690502 is a wasteful number, since it uses less digits than its factorization.

20674690502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10246150.

The product of its (nonzero) digits is 181440, while the sum is 41.

The spelling of 20674690502 in words is "twenty billion, six hundred seventy-four million, six hundred ninety thousand, five hundred two".