20022320313 has 8 divisors (see below), whose sum is σ = 29662696800. Its totient is φ = 13348213524.

The previous prime is 20022320293. The next prime is 20022320321. The reversal of 20022320313 is 31302322002.

It is a happy number.

It is not a de Polignac number, because 20022320313 - 2¹² = 20022316217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20022320363) 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, 370783683 + ... + 370783736.

It is an arithmetic number, because the mean of its divisors is an integer number (3707837100).

Almost surely, 2^20022320313 is an apocalyptic number.

It is an amenable number.

20022320313 is a deficient number, since it is larger than the sum of its proper divisors (9640376487).

20022320313 is an equidigital number, since it uses as much as digits as its factorization.

20022320313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741567428 (or 741567422 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20022320313 its reverse (31302322002), we get a palindrome (51324642315).

The spelling of 20022320313 in words is "twenty billion, twenty-two million, three hundred twenty thousand, three hundred thirteen".