20115053012 has 12 divisors (see below), whose sum is σ = 35202594336. Its totient is φ = 10057168920.

The previous prime is 20115052999. The next prime is 20115053017. The reversal of 20115053012 is 21035051102.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20115053017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67937 + ... + 211767.

It is an arithmetic number, because the mean of its divisors is an integer number (2933549528).

Almost surely, 2^20115053012 is an apocalyptic number.

It is an amenable number.

20115053012 is a deficient number, since it is larger than the sum of its proper divisors (15087541324).

20115053012 is a wasteful number, since it uses less digits than its factorization.

20115053012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178798 (or 178796 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The spelling of 20115053012 in words is "twenty billion, one hundred fifteen million, fifty-three thousand, twelve".