20425792 has 28 divisors (see below), whose sum is σ = 40680640. Its totient is φ = 10175616.

The previous prime is 20425787. The next prime is 20425793. The reversal of 20425792 is 29752402.

It is not an unprimeable number, because it can be changed into a prime (20425793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27733 + ... + 28459.

It is an arithmetic number, because the mean of its divisors is an integer number (1452880).

Almost surely, 2^20425792 is an apocalyptic number.

It is an amenable number.

20425792 is a deficient number, since it is larger than the sum of its proper divisors (20254848).

20425792 is an equidigital number, since it uses as much as digits as its factorization.

20425792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178 (or 1168 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 20425792 is about 4519.4902367413. The cubic root of 20425792 is about 273.3545465723.

The spelling of 20425792 in words is "twenty million, four hundred twenty-five thousand, seven hundred ninety-two".