20604200 has 48 divisors (see below), whose sum is σ = 48612960. Its totient is φ = 8120000.

The previous prime is 20604197. The next prime is 20604203. The reversal of 20604200 is 240602.

It is an interprime number because it is at equal distance from previous prime (20604197) and next prime (20604203).

It is not an unprimeable number, because it can be changed into a prime (20604203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13475 + ... + 14925.

It is an arithmetic number, because the mean of its divisors is an integer number (1012770).

Almost surely, 2^20604200 is an apocalyptic number.

20604200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20604200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24306480).

20604200 is an abundant number, since it is smaller than the sum of its proper divisors (28008760).

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

20604200 is a wasteful number, since it uses less digits than its factorization.

20604200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538 (or 1529 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 20604200 is about 4539.1849488647. The cubic root of 20604200 is about 274.1481075421.

Adding to 20604200 its reverse (240602), we get a palindrome (20844802).

The spelling of 20604200 in words is "twenty million, six hundred four thousand, two hundred".