258124220 has 24 divisors (see below), whose sum is σ = 544437600. Its totient is φ = 102796992.

The previous prime is 258124219. The next prime is 258124241. The reversal of 258124220 is 22421852.

It is a super-2 number, since 2×258124220² = 133256225901216800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258124220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23600 + ... + 32759.

It is an arithmetic number, because the mean of its divisors is an integer number (22684900).

Almost surely, 2^258124220 is an apocalyptic number.

258124220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258124220 is an abundant number, since it is smaller than the sum of its proper divisors (286313380).

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

258124220 is a wasteful number, since it uses less digits than its factorization.

258124220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56597 (or 56595 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 258124220 is about 16066.2447385816. The cubic root of 258124220 is about 636.7118297443.

The spelling of 258124220 in words is "two hundred fifty-eight million, one hundred twenty-four thousand, two hundred twenty".