20013132012 has 24 divisors (see below), whose sum is σ = 46967239536. Its totient is φ = 6632482368.

The previous prime is 20013131987. The next prime is 20013132031. The reversal of 20013132012 is 21023131002.

It is a junction number, because it is equal to n+sod(n) for n = 20013131982 and 20013132000.

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, 4818043 + ... + 4822194.

It is an arithmetic number, because the mean of its divisors is an integer number (1956968314).

Almost surely, 2^20013132012 is an apocalyptic number.

It is an amenable number.

20013132012 is an abundant number, since it is smaller than the sum of its proper divisors (26954107524).

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

20013132012 is a wasteful number, since it uses less digits than its factorization.

20013132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9640417 (or 9640415 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20013132012 its reverse (21023131002), we get a palindrome (41036263014).

The spelling of 20013132012 in words is "twenty billion, thirteen million, one hundred thirty-two thousand, twelve".