20604192 has 48 divisors (see below), whose sum is σ = 61814592. Its totient is φ = 5886720.

The previous prime is 20604191. The next prime is 20604197. The reversal of 20604192 is 29140602.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (20604191) 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, 14659 + ... + 16002.

It is an arithmetic number, because the mean of its divisors is an integer number (1287804).

Almost surely, 2^20604192 is an apocalyptic number.

It is an amenable number.

20604192 is an abundant number, since it is smaller than the sum of its proper divisors (41210400).

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

20604192 is a wasteful number, since it uses less digits than its factorization.

20604192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30681 (or 30673 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 20604192 is about 4539.1840676492. The cubic root of 20604192 is about 274.1480720609.

Adding to 20604192 its reverse (29140602), we get a palindrome (49744794).

The spelling of 20604192 in words is "twenty million, six hundred four thousand, one hundred ninety-two".