20312401403201 has 16 divisors (see below), whose sum is σ = 20693582254800. Its totient is φ = 19935038238720.

The previous prime is 20312401403149. The next prime is 20312401403251. The reversal of 20312401403201 is 10230410421302.

It can be written as a sum of positive squares in 8 ways, for example, as 2903070745600 + 17409330657601 = 1703840^2 + 4172449^2 .

It is a cyclic number.

It is not a de Polignac number, because 20312401403201 - 2⁴² = 15914354892097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20312401403251) 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, 11692775 + ... + 13317123.

It is an arithmetic number, because the mean of its divisors is an integer number (1293348890925).

Almost surely, 2^{20312401403201} is an apocalyptic number.

It is an amenable number.

20312401403201 is a deficient number, since it is larger than the sum of its proper divisors (381180851599).

20312401403201 is a wasteful number, since it uses less digits than its factorization.

20312401403201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625524.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20312401403201 its reverse (10230410421302), we get a palindrome (30542811824503).

The spelling of 20312401403201 in words is "twenty trillion, three hundred twelve billion, four hundred one million, four hundred three thousand, two hundred one".