20013012104 has 32 divisors (see below), whose sum is σ = 37930189440. Its totient is φ = 9898848000.

The previous prime is 20013012101. The next prime is 20013012139. The reversal of 20013012104 is 40121031002.

It is not an unprimeable number, because it can be changed into a prime (20013012101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 256757 + ... + 325499.

It is an arithmetic number, because the mean of its divisors is an integer number (1185318420).

Almost surely, 2^20013012104 is an apocalyptic number.

It is an amenable number.

20013012104 is a deficient number, since it is larger than the sum of its proper divisors (17917177336).

20013012104 is a wasteful number, since it uses less digits than its factorization.

20013012104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69141 (or 69137 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20013012104 its reverse (40121031002), we get a palindrome (60134043106).

The spelling of 20013012104 in words is "twenty billion, thirteen million, twelve thousand, one hundred four".