20023310313 has 48 divisors (see below), whose sum is σ = 30633248256. Its totient is φ = 12587322240.

The previous prime is 20023310309. The next prime is 20023310323. The reversal of 20023310313 is 31301332002.

20023310313 is a `hidden beast` number, since 20 + 0 + 2 + 331 + 0 + 313 = 666.

It is not a de Polignac number, because 20023310313 - 2² = 20023310309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20023310323) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1605843 + ... + 1618263.

It is an arithmetic number, because the mean of its divisors is an integer number (638192672).

Almost surely, 2^20023310313 is an apocalyptic number.

It is an amenable number.

20023310313 is a deficient number, since it is larger than the sum of its proper divisors (10609937943).

20023310313 is a wasteful number, since it uses less digits than its factorization.

20023310313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12614 (or 12611 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 20023310313 its reverse (31301332002), we get a palindrome (51324642315).

The spelling of 20023310313 in words is "twenty billion, twenty-three million, three hundred ten thousand, three hundred thirteen".