20694606 has 16 divisors (see below), whose sum is σ = 41630544. Its totient is φ = 6857984.

The previous prime is 20694601. The next prime is 20694613. The reversal of 20694606 is 60649602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20694601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8931 + ... + 11006.

It is an arithmetic number, because the mean of its divisors is an integer number (2601909).

Almost surely, 2^20694606 is an apocalyptic number.

20694606 is an abundant number, since it is smaller than the sum of its proper divisors (20935938).

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

20694606 is a wasteful number, since it uses less digits than its factorization.

20694606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20115.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 20694606 is about 4549.1324447635. The cubic root of 20694606 is about 274.5484866291.

The spelling of 20694606 in words is "twenty million, six hundred ninety-four thousand, six hundred six".