20231442044 has 12 divisors (see below), whose sum is σ = 38623662168. Its totient is φ = 9196110000.

The previous prime is 20231442029. The next prime is 20231442071. The reversal of 20231442044 is 44024413202.

It is a happy number.

It is a super-2 number, since 2×20231442044² (a number of 21 digits) contains 22 as substring.

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, 229902707 + ... + 229902794.

It is an arithmetic number, because the mean of its divisors is an integer number (3218638514).

Almost surely, 2^20231442044 is an apocalyptic number.

It is an amenable number.

20231442044 is a deficient number, since it is larger than the sum of its proper divisors (18392220124).

20231442044 is a wasteful number, since it uses less digits than its factorization.

20231442044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459805516 (or 459805514 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 20231442044 its reverse (44024413202), we get a palindrome (64255855246).

The spelling of 20231442044 in words is "twenty billion, two hundred thirty-one million, four hundred forty-two thousand, forty-four".