56820038220 has 96 divisors (see below), whose sum is σ = 192843786240. Its totient is φ = 13774553280.

The previous prime is 56820038183. The next prime is 56820038237. The reversal of 56820038220 is 2283002865.

56820038220 is a `hidden beast` number, since 56 + 8 + 200 + 382 + 20 = 666.

It is a super-3 number, since 3×56820038220³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4776892 + ... + 4788771.

It is an arithmetic number, because the mean of its divisors is an integer number (2008789440).

Almost surely, 2^56820038220 is an apocalyptic number.

It is an amenable number.

56820038220 is an abundant number, since it is smaller than the sum of its proper divisors (136023748020).

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

56820038220 is a wasteful number, since it uses less digits than its factorization.

56820038220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9565692 (or 9565684 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 56820038220 in words is "fifty-six billion, eight hundred twenty million, thirty-eight thousand, two hundred twenty".