20750252 has 12 divisors (see below), whose sum is σ = 37157736. Its totient is φ = 10133760.

The previous prime is 20750239. The next prime is 20750263. The reversal of 20750252 is 25205702.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60149 + ... + 60492.

It is an arithmetic number, because the mean of its divisors is an integer number (3096478).

Almost surely, 2^20750252 is an apocalyptic number.

It is an amenable number.

20750252 is a deficient number, since it is larger than the sum of its proper divisors (16407484).

20750252 is a wasteful number, since it uses less digits than its factorization.

20750252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120688 (or 120686 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 20750252 is about 4555.2444500817. The cubic root of 20750252 is about 274.7943454162.

Adding to 20750252 its reverse (25205702), we get a palindrome (45955954).

The spelling of 20750252 in words is "twenty million, seven hundred fifty thousand, two hundred fifty-two".