21032333204 has 24 divisors (see below), whose sum is σ = 37691467968. Its totient is φ = 10263718080.

The previous prime is 21032333159. The next prime is 21032333209. The reversal of 21032333204 is 40233323012.

It is a self number, because there is not a number n which added to its sum of digits gives 21032333204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032333209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180929 + ... + 273495.

It is an arithmetic number, because the mean of its divisors is an integer number (1570477832).

Almost surely, 2^21032333204 is an apocalyptic number.

It is an amenable number.

21032333204 is a deficient number, since it is larger than the sum of its proper divisors (16659134764).

21032333204 is a wasteful number, since it uses less digits than its factorization.

21032333204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93935 (or 93933 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 21032333204 its reverse (40233323012), we get a palindrome (61265656216).

The spelling of 21032333204 in words is "twenty-one billion, thirty-two million, three hundred thirty-three thousand, two hundred four".