252210320 has 40 divisors (see below), whose sum is σ = 587420736. Its totient is φ = 100706688.

The previous prime is 252210307. The next prime is 252210337. The reversal of 252210320 is 23012252.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×252210320² = 127220091029004800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48989 + ... + 53891.

Almost surely, 2^252210320 is an apocalyptic number.

252210320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252210320 is an abundant number, since it is smaller than the sum of its proper divisors (335210416).

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

252210320 is a wasteful number, since it uses less digits than its factorization.

252210320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5559 (or 5553 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252210320 is about 15881.1309420960. The cubic root of 252210320 is about 631.8116326947.

Adding to 252210320 its reverse (23012252), we get a palindrome (275222572).

The spelling of 252210320 in words is "two hundred fifty-two million, two hundred ten thousand, three hundred twenty".