20133113230320 has 80 divisors (see below), whose sum is σ = 62414944548000. Its totient is φ = 5368632901632.

The previous prime is 20133113230261. The next prime is 20133113230357. The reversal of 20133113230320 is 2303231133102.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5062056 + ... + 8117304.

It is an arithmetic number, because the mean of its divisors is an integer number (780186806850).

Almost surely, 2^{20133113230320} is an apocalyptic number.

20133113230320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20133113230320 is an abundant number, since it is smaller than the sum of its proper divisors (42281831317680).

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

20133113230320 is a wasteful number, since it uses less digits than its factorization.

20133113230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3082722 (or 3082716 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 24.

Adding to 20133113230320 its reverse (2303231133102), we get a palindrome (22436344363422).

The spelling of 20133113230320 in words is "twenty trillion, one hundred thirty-three billion, one hundred thirteen million, two hundred thirty thousand, three hundred twenty".