20313133543104 has 224 divisors, whose sum is σ = 54471552784896. Its totient is φ = 6680074199040.

The previous prime is 20313133543069. The next prime is 20313133543111. The reversal of 20313133543104 is 40134533131302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11627436759 + ... + 11627438505.

Almost surely, 2^{20313133543104} is an apocalyptic number.

20313133543104 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20313133543104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27235776392448).

20313133543104 is an abundant number, since it is smaller than the sum of its proper divisors (34158419241792).

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

20313133543104 is a wasteful number, since it uses less digits than its factorization.

20313133543104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3743 (or 3733 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 33.

Adding to 20313133543104 its reverse (40134533131302), we get a palindrome (60447666674406).

The spelling of 20313133543104 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-three million, five hundred forty-three thousand, one hundred four".