20012313353 has 2 divisors, whose sum is σ = 20012313354. Its totient is φ = 20012313352.

The previous prime is 20012313319. The next prime is 20012313397. The reversal of 20012313353 is 35331321002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16534616569 + 3477696784 = 128587^2 + 58972^2 .

It is a cyclic number.

It is not a de Polignac number, because 20012313353 - 2⁶ = 20012313289 is a prime.

It is not a weakly prime, because it can be changed into another prime (20012313653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006156676 + 10006156677.

It is an arithmetic number, because the mean of its divisors is an integer number (10006156677).

Almost surely, 2^20012313353 is an apocalyptic number.

It is an amenable number.

20012313353 is a deficient number, since it is larger than the sum of its proper divisors (1).

20012313353 is an equidigital number, since it uses as much as digits as its factorization.

20012313353 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 23.

Adding to 20012313353 its reverse (35331321002), we get a palindrome (55343634355).

The spelling of 20012313353 in words is "twenty billion, twelve million, three hundred thirteen thousand, three hundred fifty-three".