20727723108 has 24 divisors (see below), whose sum is σ = 48419859712. Its totient is φ = 6901359264.

The previous prime is 20727723013. The next prime is 20727723131. The reversal of 20727723108 is 80132772702.

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, 974260 + ... + 995307.

Almost surely, 2^20727723108 is an apocalyptic number.

It is an amenable number.

20727723108 is an abundant number, since it is smaller than the sum of its proper divisors (27692136604).

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

20727723108 is a wasteful number, since it uses less digits than its factorization.

20727723108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970451 (or 1970449 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The spelling of 20727723108 in words is "twenty billion, seven hundred twenty-seven million, seven hundred twenty-three thousand, one hundred eight".