20254959 has 12 divisors (see below), whose sum is σ = 29311152. Its totient is φ = 13478400.

The previous prime is 20254937. The next prime is 20254967. The reversal of 20254959 is 95945202.

It is a happy number.

It is not a de Polignac number, because 20254959 - 2⁷ = 20254831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20254999) 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 11 ways as a sum of consecutive naturals, for example, 4014 + ... + 7524.

It is an arithmetic number, because the mean of its divisors is an integer number (2442596).

Almost surely, 2^20254959 is an apocalyptic number.

20254959 is a deficient number, since it is larger than the sum of its proper divisors (9056193).

20254959 is a wasteful number, since it uses less digits than its factorization.

20254959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4158 (or 4155 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 20254959 is about 4500.5509662707. The cubic root of 20254959 is about 272.5903367410.

The spelling of 20254959 in words is "twenty million, two hundred fifty-four thousand, nine hundred fifty-nine".