20040434214144 has 36 divisors (see below), whose sum is σ = 53336780644896. Its totient is φ = 6680144737792.

The previous prime is 20040434214109. The next prime is 20040434214233. The reversal of 20040434214144 is 44141243404002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13047156924 + ... + 13047158459.

It is an arithmetic number, because the mean of its divisors is an integer number (1481577240136).

Almost surely, 2^{20040434214144} is an apocalyptic number.

20040434214144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20040434214144 is an abundant number, since it is smaller than the sum of its proper divisors (33296346430752).

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

20040434214144 is an equidigital number, since it uses as much as digits as its factorization.

20040434214144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26094315402 (or 26094315388 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 20040434214144 its reverse (44141243404002), we get a palindrome (64181677618146).

The spelling of 20040434214144 in words is "twenty trillion, forty billion, four hundred thirty-four million, two hundred fourteen thousand, one hundred forty-four".