20112404544234 has 24 divisors (see below), whose sum is σ = 44590292247072. Its totient is φ = 6548224735080.

The previous prime is 20112404544223. The next prime is 20112404544263. The reversal of 20112404544234 is 43244540421102.

20112404544234 is a `hidden beast` number, since 2 + 0 + 1 + 12 + 404 + 5 + 4 + 4 + 234 = 666.

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 11 ways as a sum of consecutive naturals, for example, 12992508622 + ... + 12992510169.

It is an arithmetic number, because the mean of its divisors is an integer number (1857928843628).

Almost surely, 2^{20112404544234} is an apocalyptic number.

20112404544234 is an abundant number, since it is smaller than the sum of its proper divisors (24477887702838).

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

20112404544234 is a wasteful number, since it uses less digits than its factorization.

20112404544234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25985018842 (or 25985018839 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

Adding to 20112404544234 its reverse (43244540421102), we get a palindrome (63356944965336).

The spelling of 20112404544234 in words is "twenty trillion, one hundred twelve billion, four hundred four million, five hundred forty-four thousand, two hundred thirty-four".