20004234312144 has 40 divisors (see below), whose sum is σ = 52652654469792. Its totient is φ = 6542265308800.

The previous prime is 20004234312131. The next prime is 20004234312217. The reversal of 20004234312144 is 44121343240002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3931647282 + ... + 3931652369.

Almost surely, 2^{20004234312144} is an apocalyptic number.

20004234312144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20004234312144 is an abundant number, since it is smaller than the sum of its proper divisors (32648420157648).

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

20004234312144 is a wasteful number, since it uses less digits than its factorization.

20004234312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7863299715 (or 7863299709 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 20004234312144 its reverse (44121343240002), we get a palindrome (64125577552146).

The spelling of 20004234312144 in words is "twenty trillion, four billion, two hundred thirty-four million, three hundred twelve thousand, one hundred forty-four".