20301210913 has 2 divisors, whose sum is σ = 20301210914. Its totient is φ = 20301210912.

The previous prime is 20301210899. The next prime is 20301210971. The reversal of 20301210913 is 31901210302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13696723089 + 6604487824 = 117033^2 + 81268^2 .

It is a cyclic number.

It is not a de Polignac number, because 20301210913 - 2²¹ = 20299113761 is a prime.

It is a super-2 number, since 2×20301210913² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20301220913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10150605456 + 10150605457.

It is an arithmetic number, because the mean of its divisors is an integer number (10150605457).

Almost surely, 2^20301210913 is an apocalyptic number.

It is an amenable number.

20301210913 is a deficient number, since it is larger than the sum of its proper divisors (1).

20301210913 is an equidigital number, since it uses as much as digits as its factorization.

20301210913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 20301210913 in words is "twenty billion, three hundred one million, two hundred ten thousand, nine hundred thirteen".