20753084 has 24 divisors (see below), whose sum is σ = 41344128. Its totient is φ = 9022640.

The previous prime is 20753059. The next prime is 20753099. The reversal of 20753084 is 48035702.

It is a happy number.

It is a super-2 number, since 2×20753084² = 861380991022112, which contains 22 as substring.

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, 9242 + ... + 11265.

It is an arithmetic number, because the mean of its divisors is an integer number (1722672).

Almost surely, 2^20753084 is an apocalyptic number.

It is an amenable number.

20753084 is a deficient number, since it is larger than the sum of its proper divisors (20591044).

20753084 is a wasteful number, since it uses less digits than its factorization.

20753084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20545 (or 20543 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 20753084 is about 4555.5552899729. Note that the first 3 decimals coincide. The cubic root of 20753084 is about 274.8068461830.

Adding to 20753084 its reverse (48035702), we get a palindrome (68788786).

The spelling of 20753084 in words is "twenty million, seven hundred fifty-three thousand, eighty-four".