20779832 has 16 divisors (see below), whose sum is σ = 39039000. Its totient is φ = 10369440.

The previous prime is 20779823. The next prime is 20779873. The reversal of 20779832 is 23897702.

It is a congruent number.

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, 2294 + ... + 6842.

Almost surely, 2^20779832 is an apocalyptic number.

It is an amenable number.

20779832 is a deficient number, since it is larger than the sum of its proper divisors (18259168).

20779832 is a wasteful number, since it uses less digits than its factorization.

20779832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5126 (or 5122 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 20779832 is about 4558.4901008996. The cubic root of 20779832 is about 274.9248588091.

The spelling of 20779832 in words is "twenty million, seven hundred seventy-nine thousand, eight hundred thirty-two".