20150234512 has 40 divisors (see below), whose sum is σ = 40007923704. Its totient is φ = 9827810304.

The previous prime is 20150234497. The next prime is 20150234527. The reversal of 20150234512 is 21543205102.

It is an interprime number because it is at equal distance from previous prime (20150234497) and next prime (20150234527).

It can be written as a sum of positive squares in 4 ways, for example, as 6335523216 + 13814711296 = 79596^2 + 117536^2 .

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 7 ways as a sum of consecutive naturals, for example, 78028 + ... + 215380.

Almost surely, 2^20150234512 is an apocalyptic number.

It is an amenable number.

20150234512 is a deficient number, since it is larger than the sum of its proper divisors (19857689192).

20150234512 is a wasteful number, since it uses less digits than its factorization.

20150234512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137587 (or 137581 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 20150234512 its reverse (21543205102), we get a palindrome (41693439614).

The spelling of 20150234512 in words is "twenty billion, one hundred fifty million, two hundred thirty-four thousand, five hundred twelve".