20032494913 has 16 divisors (see below), whose sum is σ = 20385558160. Its totient is φ = 19683046656.

The previous prime is 20032494877. The next prime is 20032494931. The reversal of 20032494913 is 31949423002.

It can be written as a sum of positive squares in 8 ways, for example, as 463842369 + 19568652544 = 21537^2 + 139888^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20032494913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032494983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12543031 + ... + 12544627.

It is an arithmetic number, because the mean of its divisors is an integer number (1274097385).

Almost surely, 2^20032494913 is an apocalyptic number.

It is an amenable number.

20032494913 is a deficient number, since it is larger than the sum of its proper divisors (353063247).

20032494913 is a wasteful number, since it uses less digits than its factorization.

20032494913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 20032494913 in words is "twenty billion, thirty-two million, four hundred ninety-four thousand, nine hundred thirteen".