20694679000 has 32 divisors (see below), whose sum is σ = 48425551200. Its totient is φ = 8277871200.

The previous prime is 20694678941. The next prime is 20694679001. The reversal of 20694679000 is 97649602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20694679001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10346340 + ... + 10348339.

It is an arithmetic number, because the mean of its divisors is an integer number (1513298475).

Almost surely, 2^20694679000 is an apocalyptic number.

20694679000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20694679000 is an abundant number, since it is smaller than the sum of its proper divisors (27730872200).

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

20694679000 is a wasteful number, since it uses less digits than its factorization.

20694679000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20694700 (or 20694686 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 20694679000 in words is "twenty billion, six hundred ninety-four million, six hundred seventy-nine thousand".