20313262325104 has 160 divisors (see below), whose sum is σ = 45815540474880. Its totient is φ = 8545597132800.

The previous prime is 20313262325047. The next prime is 20313262325113. The reversal of 20313262325104 is 40152326231302.

It is a super-2 number, since 2×20313262325104² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20313262325104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 843877389 + ... + 843901459.

It is an arithmetic number, because the mean of its divisors is an integer number (286347127968).

Almost surely, 2^{20313262325104} 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 20313262325104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22907770237440).

20313262325104 is an abundant number, since it is smaller than the sum of its proper divisors (25502278149776).

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

20313262325104 is a wasteful number, since it uses less digits than its factorization.

20313262325104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24839 (or 24833 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 20313262325104 its reverse (40152326231302), we get a palindrome (60465588556406).

The spelling of 20313262325104 in words is "twenty trillion, three hundred thirteen billion, two hundred sixty-two million, three hundred twenty-five thousand, one hundred four".