20609038 has 8 divisors (see below), whose sum is σ = 30939480. Its totient is φ = 10295880.

The previous prime is 20609027. The next prime is 20609041. The reversal of 20609038 is 83090602.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20608997 and 20609015.

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, 748 + ... + 6463.

It is an arithmetic number, because the mean of its divisors is an integer number (3867435).

Almost surely, 2^20609038 is an apocalyptic number.

20609038 is a deficient number, since it is larger than the sum of its proper divisors (10330442).

20609038 is a wasteful number, since it uses less digits than its factorization.

20609038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8642.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20609038 is about 4539.7178326411. The cubic root of 20609038 is about 274.1695631150.

The spelling of 20609038 in words is "twenty million, six hundred nine thousand, thirty-eight".