20433682803912 has 64 divisors (see below), whose sum is σ = 58382521113600. Its totient is φ = 5838138062400.

The previous prime is 20433682803907. The next prime is 20433682803917. The reversal of 20433682803912 is 21930828633402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (20433682803907) and next prime (20433682803917).

It is not an unprimeable number, because it can be changed into a prime (20433682803917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18473287 + ... + 19548137.

It is an arithmetic number, because the mean of its divisors is an integer number (912226892400).

Almost surely, 2^{20433682803912} is an apocalyptic number.

It is an amenable number.

20433682803912 is an abundant number, since it is smaller than the sum of its proper divisors (37948838309688).

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

20433682803912 is a wasteful number, since it uses less digits than its factorization.

20433682803912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1188026 (or 1188022 counting only the distinct ones).

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 20433682803912 in words is "twenty trillion, four hundred thirty-three billion, six hundred eighty-two million, eight hundred three thousand, nine hundred twelve".