21032832006 has 16 divisors (see below), whose sum is σ = 46739626800. Its totient is φ = 7010943984.

The previous prime is 21032831951. The next prime is 21032832019. The reversal of 21032832006 is 60023823012.

21032832006 is a `hidden beast` number, since 2 + 10 + 328 + 320 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

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, 194748391 + ... + 194748498.

It is an arithmetic number, because the mean of its divisors is an integer number (2921226675).

Almost surely, 2^21032832006 is an apocalyptic number.

21032832006 is an abundant number, since it is smaller than the sum of its proper divisors (25706794794).

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

21032832006 is a wasteful number, since it uses less digits than its factorization.

21032832006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389496900 (or 389496894 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The spelling of 21032832006 in words is "twenty-one billion, thirty-two million, eight hundred thirty-two thousand, six".