20265124 has 12 divisors (see below), whose sum is σ = 38688048. Its totient is φ = 9211400.

The previous prime is 20265121. The next prime is 20265137. The reversal of 20265124 is 42156202.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 20265095 and 20265104.

It is not an unprimeable number, because it can be changed into a prime (20265121) 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, 230242 + ... + 230329.

It is an arithmetic number, because the mean of its divisors is an integer number (3224004).

Almost surely, 2^20265124 is an apocalyptic number.

It is an amenable number.

20265124 is a deficient number, since it is larger than the sum of its proper divisors (18422924).

20265124 is a wasteful number, since it uses less digits than its factorization.

20265124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460586 (or 460584 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20265124 is about 4501.6801307956. The cubic root of 20265124 is about 272.6359291541.

The spelling of 20265124 in words is "twenty million, two hundred sixty-five thousand, one hundred twenty-four".