20032232044 has 12 divisors (see below), whose sum is σ = 38243352168. Its totient is φ = 9105560000.

The previous prime is 20032232039. The next prime is 20032232071. The reversal of 20032232044 is 44023223002.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 227638957 + ... + 227639044.

It is an arithmetic number, because the mean of its divisors is an integer number (3186946014).

Almost surely, 2^20032232044 is an apocalyptic number.

It is an amenable number.

20032232044 is a deficient number, since it is larger than the sum of its proper divisors (18211120124).

20032232044 is a wasteful number, since it uses less digits than its factorization.

20032232044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455278016 (or 455278014 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20032232044 its reverse (44023223002), we get a palindrome (64055455046).

The spelling of 20032232044 in words is "twenty billion, thirty-two million, two hundred thirty-two thousand, forty-four".