20296828 has 6 divisors (see below), whose sum is σ = 35519456. Its totient is φ = 10148412.

The previous prime is 20296819. The next prime is 20296849. The reversal of 20296828 is 82869202.

It is a super-2 number, since 2×20296828² = 823922453723168, 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 as a sum of consecutive naturals, namely, 2537100 + ... + 2537107.

Almost surely, 2^20296828 is an apocalyptic number.

It is an amenable number.

20296828 is a deficient number, since it is larger than the sum of its proper divisors (15222628).

20296828 is a wasteful number, since it uses less digits than its factorization.

20296828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074211 (or 5074209 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 20296828 is about 4505.2001065435. The cubic root of 20296828 is about 272.7780311855.

The spelling of 20296828 in words is "twenty million, two hundred ninety-six thousand, eight hundred twenty-eight".