20602604 has 12 divisors (see below), whose sum is σ = 39332328. Its totient is φ = 9364800.

The previous prime is 20602583. The next prime is 20602609. The reversal of 20602604 is 40620602.

It is not an unprimeable number, because it can be changed into a prime (20602609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234077 + ... + 234164.

It is an arithmetic number, because the mean of its divisors is an integer number (3277694).

Almost surely, 2^20602604 is an apocalyptic number.

It is an amenable number.

20602604 is a deficient number, since it is larger than the sum of its proper divisors (18729724).

20602604 is a wasteful number, since it uses less digits than its factorization.

20602604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468256 (or 468254 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20602604 is about 4539.0091429738. The cubic root of 20602604 is about 274.1410288611.

It can be divided in two parts, 2060 and 2604, that added together give a palindrome (4664).

The spelling of 20602604 in words is "twenty million, six hundred two thousand, six hundred four".