20056532 has 12 divisors (see below), whose sum is σ = 37163700. Its totient is φ = 9438336.

The previous prime is 20056523. The next prime is 20056559. The reversal of 20056532 is 23565002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 1359556 = 4324^2 + 1166^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20056498 and 20056507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147407 + ... + 147542.

It is an arithmetic number, because the mean of its divisors is an integer number (3096975).

Almost surely, 2^20056532 is an apocalyptic number.

It is an amenable number.

20056532 is a deficient number, since it is larger than the sum of its proper divisors (17107168).

20056532 is a wasteful number, since it uses less digits than its factorization.

20056532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294970 (or 294968 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 20056532 is about 4478.4519646860. The cubic root of 20056532 is about 271.6972734951.

The spelling of 20056532 in words is "twenty million, fifty-six thousand, five hundred thirty-two".