20125828 has 24 divisors (see below), whose sum is σ = 36929088. Its totient is φ = 9578976.

The previous prime is 20125799. The next prime is 20125829. The reversal of 20125828 is 82852102.

It is a junction number, because it is equal to n+sod(n) for n = 20125796 and 20125805.

It is not an unprimeable number, because it can be changed into a prime (20125829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25650 + ... + 26422.

It is an arithmetic number, because the mean of its divisors is an integer number (1538712).

Almost surely, 2^20125828 is an apocalyptic number.

It is an amenable number.

20125828 is a deficient number, since it is larger than the sum of its proper divisors (16803260).

20125828 is a wasteful number, since it uses less digits than its factorization.

20125828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1083 (or 1081 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 20125828 is about 4486.1818955544. The cubic root of 20125828 is about 272.0098215888.

The spelling of 20125828 in words is "twenty million, one hundred twenty-five thousand, eight hundred twenty-eight".