20004443442999 has 12 divisors (see below), whose sum is σ = 28895371595376. Its totient is φ = 13336265905632.

The previous prime is 20004443442967. The next prime is 20004443443003. The reversal of 20004443442999 is 99924434440002.

20004443442999 is a `hidden beast` number, since 2 + 0 + 0 + 0 + 4 + 4 + 4 + 344 + 299 + 9 = 666.

It is not a de Polignac number, because 20004443442999 - 2⁵ = 20004443442967 is a prime.

It is a super-2 number, since 2×20004443442999² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20004443442959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2262982 + ... + 6717884.

It is an arithmetic number, because the mean of its divisors is an integer number (2407947632948).

Almost surely, 2^{20004443442999} is an apocalyptic number.

20004443442999 is a deficient number, since it is larger than the sum of its proper divisors (8890928152377).

20004443442999 is a wasteful number, since it uses less digits than its factorization.

20004443442999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4953846 (or 4953843 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 54.

The spelling of 20004443442999 in words is "twenty trillion, four billion, four hundred forty-three million, four hundred forty-two thousand, nine hundred ninety-nine".