20120598913 has 2 divisors, whose sum is σ = 20120598914. Its totient is φ = 20120598912.

The previous prime is 20120598893. The next prime is 20120598937. The reversal of 20120598913 is 31989502102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11408803344 + 8711795569 = 106812^2 + 93337^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20120598913 is a prime.

It is not a weakly prime, because it can be changed into another prime (20120596913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10060299456 + 10060299457.

It is an arithmetic number, because the mean of its divisors is an integer number (10060299457).

Almost surely, 2^20120598913 is an apocalyptic number.

It is an amenable number.

20120598913 is a deficient number, since it is larger than the sum of its proper divisors (1).

20120598913 is an equidigital number, since it uses as much as digits as its factorization.

20120598913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 40.

The spelling of 20120598913 in words is "twenty billion, one hundred twenty million, five hundred ninety-eight thousand, nine hundred thirteen".