20323024961 has 2 divisors, whose sum is σ = 20323024962. Its totient is φ = 20323024960.

The previous prime is 20323024951. The next prime is 20323025011. The reversal of 20323024961 is 16942032302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12192576400 + 8130448561 = 110420^2 + 90169^2 .

It is a cyclic number.

It is not a de Polignac number, because 20323024961 - 2¹⁰ = 20323023937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (20323024921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10161512480 + 10161512481.

It is an arithmetic number, because the mean of its divisors is an integer number (10161512481).

Almost surely, 2^20323024961 is an apocalyptic number.

It is an amenable number.

20323024961 is a deficient number, since it is larger than the sum of its proper divisors (1).

20323024961 is an equidigital number, since it uses as much as digits as its factorization.

20323024961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 20323024961 in words is "twenty billion, three hundred twenty-three million, twenty-four thousand, nine hundred sixty-one".