20253752 has 16 divisors (see below), whose sum is σ = 38149440. Its totient is φ = 10080576.

The previous prime is 20253733. The next prime is 20253787. The reversal of 20253752 is 25735202.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 3893 + ... + 7460.

It is an arithmetic number, because the mean of its divisors is an integer number (2384340).

Almost surely, 2^20253752 is an apocalyptic number.

It is an amenable number.

20253752 is a deficient number, since it is larger than the sum of its proper divisors (17895688).

20253752 is a wasteful number, since it uses less digits than its factorization.

20253752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11582 (or 11578 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 20253752 is about 4500.4168695800. The cubic root of 20253752 is about 272.5849220493.

Adding to 20253752 its reverse (25735202), we get a palindrome (45988954).

The spelling of 20253752 in words is "twenty million, two hundred fifty-three thousand, seven hundred fifty-two".