28204022032 has 20 divisors (see below), whose sum is σ = 54689721856. Its totient is φ = 14090545440.

The previous prime is 28204022029. The next prime is 28204022089. The reversal of 28204022032 is 23022040282.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 28204021988 and 28204022006.

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, 696288 + ... + 735679.

Almost surely, 2^28204022032 is an apocalyptic number.

It is an amenable number.

28204022032 is a deficient number, since it is larger than the sum of its proper divisors (26485699824).

28204022032 is a wasteful number, since it uses less digits than its factorization.

28204022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433206 (or 1433200 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The spelling of 28204022032 in words is "twenty-eight billion, two hundred four million, twenty-two thousand, thirty-two".