252078620 has 48 divisors (see below), whose sum is σ = 555024960. Its totient is φ = 95986176.

The previous prime is 252078611. The next prime is 252078623. The reversal of 252078620 is 26870252.

It is a super-2 number, since 2×252078620² = 127087261322208800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252078623) 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 15 ways as a sum of consecutive naturals, for example, 104144 + ... + 106536.

It is an arithmetic number, because the mean of its divisors is an integer number (11563020).

Almost surely, 2^252078620 is an apocalyptic number.

252078620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252078620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277512480).

252078620 is an abundant number, since it is smaller than the sum of its proper divisors (302946340).

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

252078620 is a wasteful number, since it uses less digits than its factorization.

252078620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2654 (or 2652 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 252078620 is about 15876.9839705153. The cubic root of 252078620 is about 631.7016397336.

The spelling of 252078620 in words is "two hundred fifty-two million, seventy-eight thousand, six hundred twenty".