20404144313 has 8 divisors (see below), whose sum is σ = 23321788032. Its totient is φ = 17487192096.

The previous prime is 20404144303. The next prime is 20404144373. The reversal of 20404144313 is 31344140402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20404144313 - 2²⁴ = 20387367097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20404144303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108020 + ... + 229077.

It is an arithmetic number, because the mean of its divisors is an integer number (2915223504).

Almost surely, 2^20404144313 is an apocalyptic number.

It is an amenable number.

20404144313 is a deficient number, since it is larger than the sum of its proper divisors (2917643719).

20404144313 is an equidigital number, since it uses as much as digits as its factorization.

20404144313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345751.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20404144313 its reverse (31344140402), we get a palindrome (51748284715).

The spelling of 20404144313 in words is "twenty billion, four hundred four million, one hundred forty-four thousand, three hundred thirteen".