2056331308920 has 384 divisors, whose sum is σ = 7345264343040. Its totient is φ = 459069327360.

The previous prime is 2056331308879. The next prime is 2056331308943. The reversal of 2056331308920 is 298031336502.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44188465 + ... + 44234975.

It is an arithmetic number, because the mean of its divisors is an integer number (19128292560).

Almost surely, 2^{2056331308920} is an apocalyptic number.

2056331308920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2056331308920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3672632171520).

2056331308920 is an abundant number, since it is smaller than the sum of its proper divisors (5288933034120).

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

2056331308920 is a wasteful number, since it uses less digits than its factorization.

2056331308920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46715 (or 46704 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 2056331308920 in words is "two trillion, fifty-six billion, three hundred thirty-one million, three hundred eight thousand, nine hundred twenty".