20332603293912 has 384 divisors, whose sum is σ = 70907607912960. Its totient is φ = 5314984335360.

The previous prime is 20332603293907. The next prime is 20332603294007. The reversal of 20332603293912 is 21939230623302.

20332603293912 is a `hidden beast` number, since 2 + 0 + 3 + 3 + 2 + 603 + 2 + 9 + 39 + 1 + 2 = 666.

It is a super-2 number, since 2×20332603293912² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19481587 + ... + 20498717.

It is an arithmetic number, because the mean of its divisors is an integer number (184655228940).

Almost surely, 2^{20332603293912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20332603293912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35453803956480).

20332603293912 is an abundant number, since it is smaller than the sum of its proper divisors (50575004619048).

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

20332603293912 is a wasteful number, since it uses less digits than its factorization.

20332603293912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1017285 (or 1017269 counting only the distinct ones).

The product of its (nonzero) digits is 629856, while the sum is 45.

The spelling of 20332603293912 in words is "twenty trillion, three hundred thirty-two billion, six hundred three million, two hundred ninety-three thousand, nine hundred twelve".