20606104 has 32 divisors (see below), whose sum is σ = 39690000. Its totient is φ = 10026112.

The previous prime is 20606099. The next prime is 20606119. The reversal of 20606104 is 40160602.

It is a super-2 number, since 2×20606104² = 849223044117632, which contains 22 as substring.

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, 70182 + ... + 70474.

Almost surely, 2^20606104 is an apocalyptic number.

It is an amenable number.

20606104 is a deficient number, since it is larger than the sum of its proper divisors (19083896).

20606104 is a wasteful number, since it uses less digits than its factorization.

20606104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 503 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20606104 is about 4539.3946733017. The cubic root of 20606104 is about 274.1565518062.

Adding to 20606104 its reverse (40160602), we get a palindrome (60766706).

The spelling of 20606104 in words is "twenty million, six hundred six thousand, one hundred four".