20331022313 has 32 divisors (see below), whose sum is σ = 25335410688. Its totient is φ = 15916953600.

The previous prime is 20331022307. The next prime is 20331022331. The reversal of 20331022313 is 31322013302.

It is a cyclic number.

It is not a de Polignac number, because 20331022313 - 2⁴ = 20331022297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20331022343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 920981 + ... + 942797.

It is an arithmetic number, because the mean of its divisors is an integer number (791731584).

Almost surely, 2^20331022313 is an apocalyptic number.

It is an amenable number.

20331022313 is a deficient number, since it is larger than the sum of its proper divisors (5004388375).

20331022313 is a wasteful number, since it uses less digits than its factorization.

20331022313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22073.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20331022313 its reverse (31322013302), we get a palindrome (51653035615).

The spelling of 20331022313 in words is "twenty billion, three hundred thirty-one million, twenty-two thousand, three hundred thirteen".