2055576257220 has 48 divisors (see below), whose sum is σ = 5911170648768. Its totient is φ = 533338704000.

The previous prime is 2055576257219. The next prime is 2055576257221. The reversal of 2055576257220 is 227526755502.

It is an interprime number because it is at equal distance from previous prime (2055576257219) and next prime (2055576257221).

It is a self number, because there is not a number n which added to its sum of digits gives 2055576257220.

It is not an unprimeable number, because it can be changed into a prime (2055576257221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 462965406 + ... + 462969845.

It is an arithmetic number, because the mean of its divisors is an integer number (123149388516).

Almost surely, 2^{2055576257220} is an apocalyptic number.

2055576257220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055576257220 is an abundant number, since it is smaller than the sum of its proper divisors (3855594391548).

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

2055576257220 is a wasteful number, since it uses less digits than its factorization.

2055576257220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925935300 (or 925935298 counting only the distinct ones).

The product of its (nonzero) digits is 2940000, while the sum is 48.

The spelling of 2055576257220 in words is "two trillion, fifty-five billion, five hundred seventy-six million, two hundred fifty-seven thousand, two hundred twenty".