20313303104 has 112 divisors (see below), whose sum is σ = 43735142400. Its totient is φ = 9328214016.

The previous prime is 20313303091. The next prime is 20313303121. The reversal of 20313303104 is 40130331302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15881537 + ... + 15882815.

Almost surely, 2^20313303104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313303104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21867571200).

20313303104 is an abundant number, since it is smaller than the sum of its proper divisors (23421839296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20313303104 is a wasteful number, since it uses less digits than its factorization.

20313303104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700 (or 1690 counting only the distinct ones).

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

Adding to 20313303104 its reverse (40130331302), we get a palindrome (60443634406).

The spelling of 20313303104 in words is "twenty billion, three hundred thirteen million, three hundred three thousand, one hundred four".