252896220 has 36 divisors (see below), whose sum is σ = 767119080. Its totient is φ = 67438944.

The previous prime is 252896207. The next prime is 252896239. The reversal of 252896220 is 22698252.

252896220 is a `hidden beast` number, since 2 + 5 + 28 + 9 + 622 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 702310 + ... + 702669.

Almost surely, 2^252896220 is an apocalyptic number.

252896220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252896220 is an abundant number, since it is smaller than the sum of its proper divisors (514222860).

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

252896220 is a wasteful number, since it uses less digits than its factorization.

252896220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1404994 (or 1404989 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 252896220 is about 15902.7110896224. The cubic root of 252896220 is about 632.3838632347.

It can be divided in two parts, 252896 and 220, that added together give a triangular number (253116 = T₇₁₁).

The spelling of 252896220 in words is "two hundred fifty-two million, eight hundred ninety-six thousand, two hundred twenty".