20056761492 has 24 divisors (see below), whose sum is σ = 47041598016. Its totient is φ = 6650946048.

The previous prime is 20056761469. The next prime is 20056761493. The reversal of 20056761492 is 29416765002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20056761493) 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, 4327728 + ... + 4332359.

It is an arithmetic number, because the mean of its divisors is an integer number (1960066584).

Almost surely, 2^20056761492 is an apocalyptic number.

It is an amenable number.

20056761492 is an abundant number, since it is smaller than the sum of its proper divisors (26984836524).

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

20056761492 is a wasteful number, since it uses less digits than its factorization.

20056761492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8660287 (or 8660285 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The spelling of 20056761492 in words is "twenty billion, fifty-six million, seven hundred sixty-one thousand, four hundred ninety-two".