20233333144 has 16 divisors (see below), whose sum is σ = 37948744800. Its totient is φ = 10113667872.

The previous prime is 20233333129. The next prime is 20233333157. The reversal of 20233333144 is 44133333202.

It is a happy number.

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, 346032 + ... + 400255.

It is an arithmetic number, because the mean of its divisors is an integer number (2371796550).

Almost surely, 2^20233333144 is an apocalyptic number.

It is an amenable number.

20233333144 is a deficient number, since it is larger than the sum of its proper divisors (17715411656).

20233333144 is a wasteful number, since it uses less digits than its factorization.

20233333144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749682 (or 749678 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 28.

Adding to 20233333144 its reverse (44133333202), we get a palindrome (64366666346).

The spelling of 20233333144 in words is "twenty billion, two hundred thirty-three million, three hundred thirty-three thousand, one hundred forty-four".