20313320032 has 24 divisors (see below), whose sum is σ = 40048942752. Its totient is φ = 10142160000.

The previous prime is 20313320003. The next prime is 20313320117. The reversal of 20313320032 is 23002331302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20313319991 and 20313320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 430344 + ... + 475207.

It is an arithmetic number, because the mean of its divisors is an integer number (1668705948).

Almost surely, 2^20313320032 is an apocalyptic number.

It is an amenable number.

20313320032 is a deficient number, since it is larger than the sum of its proper divisors (19735622720).

20313320032 is an equidigital number, since it uses as much as digits as its factorization.

20313320032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906262 (or 906254 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20313320032 its reverse (23002331302), we get a palindrome (43315651334).

The spelling of 20313320032 in words is "twenty billion, three hundred thirteen million, three hundred twenty thousand, thirty-two".