20023433444 has 48 divisors (see below), whose sum is σ = 40469321088. Its totient is φ = 8491139328.

The previous prime is 20023433429. The next prime is 20023433483. The reversal of 20023433444 is 44433432002.

It is a super-2 number, since 2×20023433444² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2851682 + ... + 2858694.

It is an arithmetic number, because the mean of its divisors is an integer number (843110856).

Almost surely, 2^20023433444 is an apocalyptic number.

It is an amenable number.

20023433444 is an abundant number, since it is smaller than the sum of its proper divisors (20445887644).

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

20023433444 is a wasteful number, since it uses less digits than its factorization.

20023433444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8084 (or 8082 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 20023433444 its reverse (44433432002), we get a palindrome (64456865446).

The spelling of 20023433444 in words is "twenty billion, twenty-three million, four hundred thirty-three thousand, four hundred forty-four".