20160015 has 16 divisors (see below), whose sum is σ = 32402400. Its totient is φ = 10703232.

The previous prime is 20160001. The next prime is 20160031. The reversal of 20160015 is 51006102.

It is not a de Polignac number, because 20160015 - 2¹⁴ = 20143631 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20159976 and 20160003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501 + ... + 6369.

It is an arithmetic number, because the mean of its divisors is an integer number (2025150).

Almost surely, 2^20160015 is an apocalyptic number.

20160015 is a deficient number, since it is larger than the sum of its proper divisors (12242385).

20160015 is a wasteful number, since it uses less digits than its factorization.

20160015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6106.

The product of its (nonzero) digits is 60, while the sum is 15.

The square root of 20160015 is about 4489.9905345112. The cubic root of 20160015 is about 272.1637521390.

Adding to 20160015 its reverse (51006102), we get a palindrome (71166117).

The spelling of 20160015 in words is "twenty million, one hundred sixty thousand, fifteen".