20792028 has 12 divisors (see below), whose sum is σ = 48514760. Its totient is φ = 6930672.

The previous prime is 20792027. The next prime is 20792029. The reversal of 20792028 is 82029702.

It is an interprime number because it is at equal distance from previous prime (20792027) and next prime (20792029).

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 20791986 and 20792004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20792027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 866323 + ... + 866346.

Almost surely, 2^20792028 is an apocalyptic number.

It is an amenable number.

20792028 is an abundant number, since it is smaller than the sum of its proper divisors (27722732).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20792028 is a wasteful number, since it uses less digits than its factorization.

20792028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1732676 (or 1732674 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 20792028 is about 4559.8276283211. The cubic root of 20792028 is about 274.9786341527.

It can be divided in two parts, 207 and 92028, that added together give a triangular number (92235 = T₄₂₉).

The spelling of 20792028 in words is "twenty million, seven hundred ninety-two thousand, twenty-eight".