20013235177512 has 64 divisors (see below), whose sum is σ = 50099795222400. Its totient is φ = 6662186347520.

The previous prime is 20013235177477. The next prime is 20013235177519. The reversal of 20013235177512 is 21577153231002.

It is not an unprimeable number, because it can be changed into a prime (20013235177519) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 150570988 + ... + 150703844.

It is an arithmetic number, because the mean of its divisors is an integer number (782809300350).

Almost surely, 2^{20013235177512} is an apocalyptic number.

It is an amenable number.

20013235177512 is an abundant number, since it is smaller than the sum of its proper divisors (30086560044888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20013235177512 is a wasteful number, since it uses less digits than its factorization.

20013235177512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141186 (or 141182 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 39.

The spelling of 20013235177512 in words is "twenty trillion, thirteen billion, two hundred thirty-five million, one hundred seventy-seven thousand, five hundred twelve".