252790220 has 36 divisors (see below), whose sum is σ = 540158304. Its totient is φ = 99374880.

The previous prime is 252790207. The next prime is 252790229. The reversal of 252790220 is 22097252.

It is a super-3 number, since 3×252790220³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (252790229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67805 + ... + 71435.

Almost surely, 2^252790220 is an apocalyptic number.

252790220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252790220 is an abundant number, since it is smaller than the sum of its proper divisors (287368084).

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

252790220 is a wasteful number, since it uses less digits than its factorization.

252790220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758 (or 3697 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 252790220 is about 15899.3779752543. The cubic root of 252790220 is about 632.2954975313.

The spelling of 252790220 in words is "two hundred fifty-two million, seven hundred ninety thousand, two hundred twenty".