20332111320020 has 96 divisors (see below), whose sum is σ = 44366057721216. Its totient is φ = 7820987328000.

The previous prime is 20332111320019. The next prime is 20332111320089. The reversal of 20332111320020 is 2002311123302.

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 = 20332111319974 and 20332111320001.

It is a congruent 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, 109442810 + ... + 109628430.

It is an arithmetic number, because the mean of its divisors is an integer number (462146434596).

Almost surely, 2^{20332111320020} is an apocalyptic number.

20332111320020 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 20332111320020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22183028860608).

20332111320020 is an abundant number, since it is smaller than the sum of its proper divisors (24033946401196).

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

20332111320020 is a wasteful number, since it uses less digits than its factorization.

20332111320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187641 (or 187639 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20332111320020 its reverse (2002311123302), we get a palindrome (22334422443322).

The spelling of 20332111320020 in words is "twenty trillion, three hundred thirty-two billion, one hundred eleven million, three hundred twenty thousand, twenty".