5656236020 has 24 divisors (see below), whose sum is σ = 11912145000. Its totient is φ = 2256008832.

The previous prime is 5656236007. The next prime is 5656236031. The reversal of 5656236020 is 206326565.

It can be written as a sum of positive squares in 4 ways, for example, as 21031396 + 5635204624 = 4586^2 + 75068^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 398195 + ... + 412154.

It is an arithmetic number, because the mean of its divisors is an integer number (496339375).

Almost surely, 2^5656236020 is an apocalyptic number.

It is an amenable number.

5656236020 is an abundant number, since it is smaller than the sum of its proper divisors (6255908980).

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

5656236020 is a wasteful number, since it uses less digits than its factorization.

5656236020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810707 (or 810705 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 5656236020 is about 75207.9518402143. The cubic root of 5656236020 is about 1781.7325238866.

The spelling of 5656236020 in words is "five billion, six hundred fifty-six million, two hundred thirty-six thousand, twenty".