20075013 has 16 divisors (see below), whose sum is σ = 33989760. Its totient is φ = 11471328.

The previous prime is 20074993. The next prime is 20075051. The reversal of 20075013 is 31057002.

It is not a de Polignac number, because 20075013 - 2¹² = 20070917 is a prime.

It is a super-2 number, since 2×20075013² = 806012293900338, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20075213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52920 + ... + 53297.

It is an arithmetic number, because the mean of its divisors is an integer number (2124360).

Almost surely, 2^20075013 is an apocalyptic number.

It is an amenable number.

20075013 is a deficient number, since it is larger than the sum of its proper divisors (13914747).

20075013 is a wasteful number, since it uses less digits than its factorization.

20075013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106233 (or 106227 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 20075013 is about 4480.5148141704. The cubic root of 20075013 is about 271.7806992810.

The spelling of 20075013 in words is "twenty million, seventy-five thousand, thirteen".