20799038 has 16 divisors (see below), whose sum is σ = 35060256. Its totient is φ = 9181920.

The previous prime is 20799029. The next prime is 20799043. The reversal of 20799038 is 83099702.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20798992 and 20799010.

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, 16793 + ... + 17988.

It is an arithmetic number, because the mean of its divisors is an integer number (2191266).

Almost surely, 2^20799038 is an apocalyptic number.

20799038 is a deficient number, since it is larger than the sum of its proper divisors (14261218).

20799038 is a wasteful number, since it uses less digits than its factorization.

20799038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34819.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 20799038 is about 4560.5962329502. The cubic root of 20799038 is about 275.0095335538.

The spelling of 20799038 in words is "twenty million, seven hundred ninety-nine thousand, thirty-eight".