252247020 has 48 divisors (see below), whose sum is σ = 747841248. Its totient is φ = 63308800.

The previous prime is 252246997. The next prime is 252247057. The reversal of 252247020 is 20742252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122631 + ... + 124670.

It is an arithmetic number, because the mean of its divisors is an integer number (15580026).

Almost surely, 2^252247020 is an apocalyptic number.

252247020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252247020 is an abundant number, since it is smaller than the sum of its proper divisors (495594228).

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

252247020 is a wasteful number, since it uses less digits than its factorization.

252247020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247330 (or 247328 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 252247020 is about 15882.2863593376. The cubic root of 252247020 is about 631.8422769104.

Adding to 252247020 its reverse (20742252), we get a palindrome (272989272).

The spelling of 252247020 in words is "two hundred fifty-two million, two hundred forty-seven thousand, twenty".