20150130015 has 24 divisors (see below), whose sum is σ = 35014900128. Its totient is φ = 10719656640.

The previous prime is 20150129981. The next prime is 20150130083. The reversal of 20150130015 is 51003105102.

It is not a de Polignac number, because 20150130015 - 2⁸ = 20150129759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20150130015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 546091 + ... + 581820.

It is an arithmetic number, because the mean of its divisors is an integer number (1458954172).

Almost surely, 2^20150130015 is an apocalyptic number.

20150130015 is a deficient number, since it is larger than the sum of its proper divisors (14864770113).

20150130015 is a wasteful number, since it uses less digits than its factorization.

20150130015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128319 (or 1128316 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

Adding to 20150130015 its reverse (51003105102), we get a palindrome (71153235117).

The spelling of 20150130015 in words is "twenty billion, one hundred fifty million, one hundred thirty thousand, fifteen".