20113010313320 has 32 divisors (see below), whose sum is σ = 45254991663720. Its totient is φ = 8045076399360.

The previous prime is 20113010313317. The next prime is 20113010313323. The reversal of 20113010313320 is 2331301031102.

It is an interprime number because it is at equal distance from previous prime (20113010313317) and next prime (20113010313323).

It can be written as a sum of positive squares in 4 ways, for example, as 16510553169124 + 3602457144196 = 4063318^2 + 1898014^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20113010313292 and 20113010313301.

It is not an unprimeable number, because it can be changed into a prime (20113010313323) 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, 1419971 + ... + 6499410.

Almost surely, 2^{20113010313320} is an apocalyptic number.

20113010313320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20113010313320 is an abundant number, since it is smaller than the sum of its proper divisors (25141981350400).

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

20113010313320 is a wasteful number, since it uses less digits than its factorization.

20113010313320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7982885 (or 7982881 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20113010313320 its reverse (2331301031102), we get a palindrome (22444311344422).

The spelling of 20113010313320 in words is "twenty trillion, one hundred thirteen billion, ten million, three hundred thirteen thousand, three hundred twenty".