20332030131100 has 72 divisors (see below), whose sum is σ = 44750911258368. Its totient is φ = 8016737817600.

The previous prime is 20332030131059. The next prime is 20332030131107. The reversal of 20332030131100 is 113103023302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20332030131107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11754117 + ... + 13372483.

It is an arithmetic number, because the mean of its divisors is an integer number (621540434144).

Almost surely, 2^{20332030131100} is an apocalyptic number.

20332030131100 is a gapful number since it is divisible by the number (20) 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 20332030131100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22375455629184).

20332030131100 is an abundant number, since it is smaller than the sum of its proper divisors (24418881127268).

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

20332030131100 is a wasteful number, since it uses less digits than its factorization.

20332030131100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620175 (or 1620168 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 20332030131100 its reverse (113103023302), we get a palindrome (20445133154402).

The spelling of 20332030131100 in words is "twenty trillion, three hundred thirty-two billion, thirty million, one hundred thirty-one thousand, one hundred".