20942027586 has 48 divisors (see below), whose sum is σ = 45767449728. Its totient is φ = 6920316000.

The previous prime is 20942027581. The next prime is 20942027599. The reversal of 20942027586 is 68572024902.

20942027586 is a `hidden beast` number, since 2 + 0 + 9 + 42 + 0 + 27 + 586 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20942027581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2629911 + ... + 2637861.

It is an arithmetic number, because the mean of its divisors is an integer number (953488536).

Almost surely, 2^20942027586 is an apocalyptic number.

20942027586 is an abundant number, since it is smaller than the sum of its proper divisors (24825422142).

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

20942027586 is a wasteful number, since it uses less digits than its factorization.

20942027586 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9207 (or 9204 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 20942027586 in words is "twenty billion, nine hundred forty-two million, twenty-seven thousand, five hundred eighty-six".