20810676018 has 24 divisors (see below), whose sum is σ = 45749091024. Its totient is φ = 6306265240.

The previous prime is 20810675989. The next prime is 20810676037. The reversal of 20810676018 is 81067601802.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14331696 + ... + 14333147.

It is an arithmetic number, because the mean of its divisors is an integer number (1906212126).

Almost surely, 2^20810676018 is an apocalyptic number.

20810676018 is an abundant number, since it is smaller than the sum of its proper divisors (24938415006).

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

20810676018 is a wasteful number, since it uses less digits than its factorization.

20810676018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28664870 (or 28664859 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 20810676018 in words is "twenty billion, eight hundred ten million, six hundred seventy-six thousand, eighteen".