20201102021323 has 2 divisors, whose sum is σ = 20201102021324. Its totient is φ = 20201102021322.

The previous prime is 20201102021281. The next prime is 20201102021339. The reversal of 20201102021323 is 32312020110202.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20201102021323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20201102021323.

It is not a weakly prime, because it can be changed into another prime (20201102121323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100551010661 + 10100551010662.

It is an arithmetic number, because the mean of its divisors is an integer number (10100551010662).

Almost surely, 2^{20201102021323} is an apocalyptic number.

20201102021323 is a deficient number, since it is larger than the sum of its proper divisors (1).

20201102021323 is an equidigital number, since it uses as much as digits as its factorization.

20201102021323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20201102021323 its reverse (32312020110202), we get a palindrome (52513122131525).

The spelling of 20201102021323 in words is "twenty trillion, two hundred one billion, one hundred two million, twenty-one thousand, three hundred twenty-three".