20432203553044 has 12 divisors (see below), whose sum is σ = 35757757342944. Its totient is φ = 10215701455064.

The previous prime is 20432203552993. The next prime is 20432203553057. The reversal of 20432203553044 is 44035530223402.

It is a junction number, because it is equal to n+sod(n) for n = 20432203552994 and 20432203553012.

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, 99965512 + ... + 100169695.

It is an arithmetic number, because the mean of its divisors is an integer number (2979813111912).

Almost surely, 2^{20432203553044} is an apocalyptic number.

It is an amenable number.

20432203553044 is a deficient number, since it is larger than the sum of its proper divisors (15325553789900).

20432203553044 is a wasteful number, since it uses less digits than its factorization.

20432203553044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200160734 (or 200160732 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 20432203553044 its reverse (44035530223402), we get a palindrome (64467733776446).

The spelling of 20432203553044 in words is "twenty trillion, four hundred thirty-two billion, two hundred three million, five hundred fifty-three thousand, forty-four".