2558350120920 has 128 divisors (see below), whose sum is σ = 8567498269440. Its totient is φ = 605782679040.

The previous prime is 2558350120913. The next prime is 2558350120927. The reversal of 2558350120920 is 290210538552.

It is an interprime number because it is at equal distance from previous prime (2558350120913) and next prime (2558350120927).

It is a super-2 number, since 2×2558350120920² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558350120927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22479799 + ... + 22593318.

It is an arithmetic number, because the mean of its divisors is an integer number (66933580230).

Almost surely, 2^{2558350120920} is an apocalyptic number.

2558350120920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558350120920 is an abundant number, since it is smaller than the sum of its proper divisors (6009148148520).

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

2558350120920 is a wasteful number, since it uses less digits than its factorization.

2558350120920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45073185 (or 45073181 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 2558350120920 in words is "two trillion, five hundred fifty-eight billion, three hundred fifty million, one hundred twenty thousand, nine hundred twenty".