20212323324401 has 16 divisors (see below), whose sum is σ = 23166953432784. Its totient is φ = 17469042868224.

The previous prime is 20212323324377. The next prime is 20212323324433. The reversal of 20212323324401 is 10442332321202.

It can be written as a sum of positive squares in 8 ways, for example, as 598487904400 + 19613835420001 = 773620^2 + 4428751^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212323324401 - 2²⁶ = 20212256215537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20212323344401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236896406 + ... + 236981711.

It is an arithmetic number, because the mean of its divisors is an integer number (1447934589549).

Almost surely, 2^{20212323324401} is an apocalyptic number.

It is an amenable number.

20212323324401 is a deficient number, since it is larger than the sum of its proper divisors (2954630108383).

20212323324401 is a wasteful number, since it uses less digits than its factorization.

20212323324401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473878340.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 20212323324401 its reverse (10442332321202), we get a palindrome (30654655645603).

The spelling of 20212323324401 in words is "twenty trillion, two hundred twelve billion, three hundred twenty-three million, three hundred twenty-four thousand, four hundred one".