21014232032 has 48 divisors (see below), whose sum is σ = 44631981072. Its totient is φ = 9702451200.

The previous prime is 21014232013. The next prime is 21014232067. The reversal of 21014232032 is 23023241012.

It is a junction number, because it is equal to n+sod(n) for n = 21014231995 and 21014232013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335594 + ... + 393257.

It is an arithmetic number, because the mean of its divisors is an integer number (929832939).

Almost surely, 2^21014232032 is an apocalyptic number.

It is an amenable number.

21014232032 is an abundant number, since it is smaller than the sum of its proper divisors (23617749040).

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

21014232032 is a wasteful number, since it uses less digits than its factorization.

21014232032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728931 (or 728923 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21014232032 its reverse (23023241012), we get a palindrome (44037473044).

The spelling of 21014232032 in words is "twenty-one billion, fourteen million, two hundred thirty-two thousand, thirty-two".