20310144662413 has 4 divisors (see below), whose sum is σ = 21193194430368. Its totient is φ = 19427094894460.

The previous prime is 20310144662399. The next prime is 20310144662527. The reversal of 20310144662413 is 31426644101302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20310144662413 - 2²¹ = 20310142565261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310144665413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441524883943 + ... + 441524883988.

It is an arithmetic number, because the mean of its divisors is an integer number (5298298607592).

Almost surely, 2^{20310144662413} is an apocalyptic number.

20310144662413 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

20310144662413 is a deficient number, since it is larger than the sum of its proper divisors (883049767955).

20310144662413 is an equidigital number, since it uses as much as digits as its factorization.

20310144662413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883049767954.

The product of its (nonzero) digits is 82944, while the sum is 37.

Adding to 20310144662413 its reverse (31426644101302), we get a palindrome (51736788763715).

The spelling of 20310144662413 in words is "twenty trillion, three hundred ten billion, one hundred forty-four million, six hundred sixty-two thousand, four hundred thirteen".