20331200144 has 40 divisors (see below), whose sum is σ = 40411937280. Its totient is φ = 9903535488.

The previous prime is 20331200119. The next prime is 20331200159. The reversal of 20331200144 is 44100213302.

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, 229649 + ... + 305615.

It is an arithmetic number, because the mean of its divisors is an integer number (1010298432).

Almost surely, 2^20331200144 is an apocalyptic number.

It is an amenable number.

20331200144 is a deficient number, since it is larger than the sum of its proper divisors (20080737136).

20331200144 is a wasteful number, since it uses less digits than its factorization.

20331200144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76407 (or 76401 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 20331200144 its reverse (44100213302), we get a palindrome (64431413446).

The spelling of 20331200144 in words is "twenty billion, three hundred thirty-one million, two hundred thousand, one hundred forty-four".