21032202032 has 20 divisors (see below), whose sum is σ = 40760061576. Its totient is φ = 10513476480.

The previous prime is 21032202007. The next prime is 21032202043. The reversal of 21032202032 is 23020223012.

It is a self number, because there is not a number n which added to its sum of digits gives 21032202032.

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, 97094 + ... + 226917.

Almost surely, 2^21032202032 is an apocalyptic number.

It is an amenable number.

21032202032 is a deficient number, since it is larger than the sum of its proper divisors (19727859544).

21032202032 is a wasteful number, since it uses less digits than its factorization.

21032202032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328076 (or 328070 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 21032202032 its reverse (23020223012), we get a palindrome (44052425044).

The spelling of 21032202032 in words is "twenty-one billion, thirty-two million, two hundred two thousand, thirty-two".