240020252 has 24 divisors (see below), whose sum is σ = 429964416. Its totient is φ = 117194688.

The previous prime is 240020243. The next prime is 240020279. The reversal of 240020252 is 252020042.

It is a self number, because there is not a number n which added to its sum of digits gives 240020252.

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, 44738 + ... + 49814.

It is an arithmetic number, because the mean of its divisors is an integer number (17915184).

Almost surely, 2^240020252 is an apocalyptic number.

It is an amenable number.

240020252 is a deficient number, since it is larger than the sum of its proper divisors (189944164).

240020252 is a wasteful number, since it uses less digits than its factorization.

240020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5357 (or 5355 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 240020252 is about 15492.5870015308. The cubic root of 240020252 is about 621.4639806082.

Adding to 240020252 its reverse (252020042), we get a palindrome (492040294).

The spelling of 240020252 in words is "two hundred forty million, twenty thousand, two hundred fifty-two".