2056660122020 has 96 divisors (see below), whose sum is σ = 5196148177920. Its totient is φ = 667979706240.

The previous prime is 2056660122007. The next prime is 2056660122079. The reversal of 2056660122020 is 202210666502.

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, 67578047 + ... + 67608473.

It is an arithmetic number, because the mean of its divisors is an integer number (54126543520).

Almost surely, 2^{2056660122020} is an apocalyptic number.

2056660122020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2056660122020 is an abundant number, since it is smaller than the sum of its proper divisors (3139488055900).

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

2056660122020 is a wasteful number, since it uses less digits than its factorization.

2056660122020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55873 (or 55871 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 2056660122020 its reverse (202210666502), we get a palindrome (2258870788522).

The spelling of 2056660122020 in words is "two trillion, fifty-six billion, six hundred sixty million, one hundred twenty-two thousand, twenty".