20004304402160 has 40 divisors (see below), whose sum is σ = 50087700640320. Its totient is φ = 7386204701952.

The previous prime is 20004304402133. The next prime is 20004304402207. The reversal of 20004304402160 is 6120440340002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×20004304402160² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9617453000 + ... + 9617455079.

It is an arithmetic number, because the mean of its divisors is an integer number (1252192516008).

Almost surely, 2^{20004304402160} is an apocalyptic number.

20004304402160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20004304402160 is an abundant number, since it is smaller than the sum of its proper divisors (30083396238160).

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

20004304402160 is a wasteful number, since it uses less digits than its factorization.

20004304402160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19234908105 (or 19234908099 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20004304402160 its reverse (6120440340002), we get a palindrome (26124744742162).

The spelling of 20004304402160 in words is "twenty trillion, four billion, three hundred four million, four hundred two thousand, one hundred sixty".