20320322022101 has 2 divisors, whose sum is σ = 20320322022102. Its totient is φ = 20320322022100.

The previous prime is 20320322022097. The next prime is 20320322022151. The reversal of 20320322022101 is 10122022302302.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14275165506001 + 6045156516100 = 3778249^2 + 2458690^2 .

It is a cyclic number.

It is not a de Polignac number, because 20320322022101 - 2² = 20320322022097 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20320322022151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10160161011050 + 10160161011051.

It is an arithmetic number, because the mean of its divisors is an integer number (10160161011051).

Almost surely, 2^{20320322022101} is an apocalyptic number.

It is an amenable number.

20320322022101 is a deficient number, since it is larger than the sum of its proper divisors (1).

20320322022101 is an equidigital number, since it uses as much as digits as its factorization.

20320322022101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20320322022101 its reverse (10122022302302), we get a palindrome (30442344324403).

The spelling of 20320322022101 in words is "twenty trillion, three hundred twenty billion, three hundred twenty-two million, twenty-two thousand, one hundred one".