20332021731720 has 256 divisors, whose sum is σ = 62600348828160. Its totient is φ = 5281396826112.

The previous prime is 20332021731719. The next prime is 20332021731733. The reversal of 20332021731720 is 2713712023302.

It is a super-2 number, since 2×20332021731720² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 336520234 + ... + 336580646.

It is an arithmetic number, because the mean of its divisors is an integer number (244532612610).

Almost surely, 2^{20332021731720} is an apocalyptic number.

20332021731720 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 20332021731720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31300174414080).

20332021731720 is an abundant number, since it is smaller than the sum of its proper divisors (42268327096440).

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

20332021731720 is a wasteful number, since it uses less digits than its factorization.

20332021731720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60976 (or 60972 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 33.

The spelling of 20332021731720 in words is "twenty trillion, three hundred thirty-two billion, twenty-one million, seven hundred thirty-one thousand, seven hundred twenty".