20857676602 has 16 divisors (see below), whose sum is σ = 36289690560. Its totient is φ = 8805585888.

The previous prime is 20857676561. The next prime is 20857676611. The reversal of 20857676602 is 20667675802.

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, 11117227 + ... + 11119102.

It is an arithmetic number, because the mean of its divisors is an integer number (2268105660).

Almost surely, 2^20857676602 is an apocalyptic number.

20857676602 is a deficient number, since it is larger than the sum of its proper divisors (15432013958).

20857676602 is a wasteful number, since it uses less digits than its factorization.

20857676602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22236405.

The product of its (nonzero) digits is 1693440, while the sum is 49.

The spelling of 20857676602 in words is "twenty billion, eight hundred fifty-seven million, six hundred seventy-six thousand, six hundred two".