252312020 has 24 divisors (see below), whose sum is σ = 557743200. Its totient is φ = 95612832.

The previous prime is 252311999. The next prime is 252312041. The reversal of 252312020 is 20213252.

It is an interprime number because it is at equal distance from previous prime (252311999) and next prime (252312041).

It is a super-2 number, since 2×252312020² = 127322710872960800, 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 252312020.

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, 331610 + ... + 332369.

It is an arithmetic number, because the mean of its divisors is an integer number (23239300).

Almost surely, 2^252312020 is an apocalyptic number.

252312020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252312020 is an abundant number, since it is smaller than the sum of its proper divisors (305431180).

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

252312020 is a wasteful number, since it uses less digits than its factorization.

252312020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664007 (or 664005 counting only the distinct ones).

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

The square root of 252312020 is about 15884.3325324044. The cubic root of 252312020 is about 631.8965441135.

Adding to 252312020 its reverse (20213252), we get a palindrome (272525272).

The spelling of 252312020 in words is "two hundred fifty-two million, three hundred twelve thousand, twenty".