20313132056401 has 4 divisors (see below), whose sum is σ = 20315697177600. Its totient is φ = 20310566935204.

The previous prime is 20313132056377. The next prime is 20313132056411. The reversal of 20313132056401 is 10465023131302.

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 a de Polignac number, because none of the positive numbers 2^k-20313132056401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313132056411) 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, 1282548721 + ... + 1282564558.

It is an arithmetic number, because the mean of its divisors is an integer number (5078924294400).

Almost surely, 2^{20313132056401} is an apocalyptic number.

It is an amenable number.

20313132056401 is a deficient number, since it is larger than the sum of its proper divisors (2565121199).

20313132056401 is an equidigital number, since it uses as much as digits as its factorization.

20313132056401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565121198.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 20313132056401 its reverse (10465023131302), we get a palindrome (30778155187703).

The spelling of 20313132056401 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, fifty-six thousand, four hundred one".