252020416 has 14 divisors (see below), whose sum is σ = 500103140. Its totient is φ = 126010176.

The previous prime is 252020387. The next prime is 252020429. The reversal of 252020416 is 614020252.

It is a super-3 number, since 3×252020416³ (a number of 26 digits) contains 333 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 as a sum of consecutive naturals, namely, 1968846 + ... + 1968973.

Almost surely, 2^252020416 is an apocalyptic number.

It is an amenable number.

252020416 is a deficient number, since it is larger than the sum of its proper divisors (248082724).

252020416 is an equidigital number, since it uses as much as digits as its factorization.

252020416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3937831 (or 3937821 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 252020416 is about 15875.1508969206. The cubic root of 252020416 is about 631.6530168179.

Adding to 252020416 its reverse (614020252), we get a palindrome (866040668).

The spelling of 252020416 in words is "two hundred fifty-two million, twenty thousand, four hundred sixteen".