20361606 has 16 divisors (see below), whose sum is σ = 42037248. Its totient is φ = 6568200.

The previous prime is 20361599. The next prime is 20361619. The reversal of 20361606 is 60616302.

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, 54550 + ... + 54921.

It is an arithmetic number, because the mean of its divisors is an integer number (2627328).

Almost surely, 2^20361606 is an apocalyptic number.

20361606 is an abundant number, since it is smaller than the sum of its proper divisors (21675642).

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

20361606 is a wasteful number, since it uses less digits than its factorization.

20361606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109507.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 20361606 is about 4512.3836273083. The cubic root of 20361606 is about 273.0679163902.

Adding to 20361606 its reverse (60616302), we get a palindrome (80977908).

The spelling of 20361606 in words is "twenty million, three hundred sixty-one thousand, six hundred six".