204122160 has 320 divisors, whose sum is σ = 784235520. Its totient is φ = 48787200.

The previous prime is 204122159. The next prime is 204122189. The reversal of 204122160 is 61221402.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2874925 + ... + 2874995.

It is an arithmetic number, because the mean of its divisors is an integer number (2450736).

Almost surely, 2^204122160 is an apocalyptic number.

204122160 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 204122160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (392117760).

204122160 is an abundant number, since it is smaller than the sum of its proper divisors (580113360).

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

204122160 is a wasteful number, since it uses less digits than its factorization.

204122160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 204122160 is about 14287.1326724434. The cubic root of 204122160 is about 588.7940126941.

Adding to 204122160 its reverse (61221402), we get a palindrome (265343562).

The spelling of 204122160 in words is "two hundred four million, one hundred twenty-two thousand, one hundred sixty".