21032301204 has 36 divisors (see below), whose sum is σ = 53273307360. Its totient is φ = 6996482640.

The previous prime is 21032301187. The next prime is 21032301211. The reversal of 21032301204 is 40210323012.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 577264 + ... + 612615.

Almost surely, 2^21032301204 is an apocalyptic number.

It is an amenable number.

21032301204 is an abundant number, since it is smaller than the sum of its proper divisors (32241006156).

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

21032301204 is a wasteful number, since it uses less digits than its factorization.

21032301204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190380 (or 1190375 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 21032301204 its reverse (40210323012), we get a palindrome (61242624216).

The spelling of 21032301204 in words is "twenty-one billion, thirty-two million, three hundred one thousand, two hundred four".