258369220 has 24 divisors (see below), whose sum is σ = 571132800. Its totient is φ = 97908192.

The previous prime is 258369197. The next prime is 258369233. The reversal of 258369220 is 22963852.

It is a self number, because there is not a number n which added to its sum of digits gives 258369220.

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, 339580 + ... + 340339.

It is an arithmetic number, because the mean of its divisors is an integer number (23797200).

Almost surely, 2^258369220 is an apocalyptic number.

258369220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258369220 is an abundant number, since it is smaller than the sum of its proper divisors (312763580).

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

258369220 is a wasteful number, since it uses less digits than its factorization.

258369220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679947 (or 679945 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 258369220 is about 16073.8676117480. The cubic root of 258369220 is about 636.9132122026.

The spelling of 258369220 in words is "two hundred fifty-eight million, three hundred sixty-nine thousand, two hundred twenty".