20015032 has 16 divisors (see below), whose sum is σ = 37951200. Its totient is φ = 9894720.

The previous prime is 20015029. The next prime is 20015041. The reversal of 20015032 is 23051002.

It is a super-2 number, since 2×20015032² = 801203011922048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 13344 + ... + 14767.

It is an arithmetic number, because the mean of its divisors is an integer number (2371950).

Almost surely, 2^20015032 is an apocalyptic number.

It is an amenable number.

20015032 is a deficient number, since it is larger than the sum of its proper divisors (17936168).

20015032 is a wasteful number, since it uses less digits than its factorization.

20015032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28206 (or 28202 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 20015032 is about 4473.8162680200. The cubic root of 20015032 is about 271.5097498384.

Adding to 20015032 its reverse (23051002), we get a palindrome (43066034).

The spelling of 20015032 in words is "twenty million, fifteen thousand, thirty-two".