20233234144 has 24 divisors (see below), whose sum is σ = 40054269528. Its totient is φ = 10060721280.

The previous prime is 20233234093. The next prime is 20233234157. The reversal of 20233234144 is 44143233202.

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, 1740862 + ... + 1752445.

It is an arithmetic number, because the mean of its divisors is an integer number (1668927897).

Almost surely, 2^20233234144 is an apocalyptic number.

It is an amenable number.

20233234144 is a deficient number, since it is larger than the sum of its proper divisors (19821035384).

20233234144 is a wasteful number, since it uses less digits than its factorization.

20233234144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3493498 (or 3493490 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 20233234144 its reverse (44143233202), we get a palindrome (64376467346).

The spelling of 20233234144 in words is "twenty billion, two hundred thirty-three million, two hundred thirty-four thousand, one hundred forty-four".