20056437132 has 24 divisors (see below), whose sum is σ = 46810428672. Its totient is φ = 6683754000.

The previous prime is 20056437131. The next prime is 20056437139. The reversal of 20056437132 is 23173465002.

It is a junction number, because it is equal to n+sod(n) for n = 20056437093 and 20056437102.

It is not an unprimeable number, because it can be changed into a prime (20056437131) 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, 166744 + ... + 260607.

It is an arithmetic number, because the mean of its divisors is an integer number (1950434528).

Almost surely, 2^20056437132 is an apocalyptic number.

It is an amenable number.

20056437132 is an abundant number, since it is smaller than the sum of its proper divisors (26753991540).

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

20056437132 is a wasteful number, since it uses less digits than its factorization.

20056437132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431269 (or 431267 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The spelling of 20056437132 in words is "twenty billion, fifty-six million, four hundred thirty-seven thousand, one hundred thirty-two".