20604350 has 24 divisors (see below), whose sum is σ = 41273400. Its totient is φ = 7607520.

The previous prime is 20604349. The next prime is 20604359. The reversal of 20604350 is 5340602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20604359) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15200 + ... + 16499.

It is an arithmetic number, because the mean of its divisors is an integer number (1719725).

Almost surely, 2^20604350 is an apocalyptic number.

20604350 is an abundant number, since it is smaller than the sum of its proper divisors (20669050).

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

20604350 is a wasteful number, since it uses less digits than its factorization.

20604350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31724 (or 31719 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 20604350 is about 4539.2014716247. The cubic root of 20604350 is about 274.1487728129.

Adding to 20604350 its reverse (5340602), we get a palindrome (25944952).

The spelling of 20604350 in words is "twenty million, six hundred four thousand, three hundred fifty".