20353512234144 has 96 divisors (see below), whose sum is σ = 55900393363584. Its totient is φ = 6472127185920.

The previous prime is 20353512234113. The next prime is 20353512234157. The reversal of 20353512234144 is 44143221535302.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

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 15 ways as a sum of consecutive naturals, for example, 11533087 + ... + 13180254.

It is an arithmetic number, because the mean of its divisors is an integer number (582295764204).

Almost surely, 2^{20353512234144} is an apocalyptic number.

20353512234144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20353512234144 is an abundant number, since it is smaller than the sum of its proper divisors (35546881129440).

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

20353512234144 is a wasteful number, since it uses less digits than its factorization.

20353512234144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24713750 (or 24713742 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 39.

Adding to 20353512234144 its reverse (44143221535302), we get a palindrome (64496733769446).

The spelling of 20353512234144 in words is "twenty trillion, three hundred fifty-three billion, five hundred twelve million, two hundred thirty-four thousand, one hundred forty-four".