20130015 has 8 divisors (see below), whose sum is σ = 32208048. Its totient is φ = 10736000.

The previous prime is 20130001. The next prime is 20130029. The reversal of 20130015 is 51003102.

It is an interprime number because it is at equal distance from previous prime (20130001) and next prime (20130029).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20130015 - 2⁴ = 20129999 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 670986 + ... + 671015.

It is an arithmetic number, because the mean of its divisors is an integer number (4026006).

Almost surely, 2^20130015 is an apocalyptic number.

20130015 is a deficient number, since it is larger than the sum of its proper divisors (12078033).

20130015 is a wasteful number, since it uses less digits than its factorization.

20130015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1342009.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 20130015 is about 4486.6485264616. The cubic root of 20130015 is about 272.0286833578.

Adding to 20130015 its reverse (51003102), we get a palindrome (71133117).

The spelling of 20130015 in words is "twenty million, one hundred thirty thousand, fifteen".