204691050 has 144 divisors (see below), whose sum is σ = 604461312. Its totient is φ = 51321600.

The previous prime is 204691027. The next prime is 204691057. The reversal of 204691050 is 50196402.

204691050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (204691057) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 206055 + ... + 207045.

It is an arithmetic number, because the mean of its divisors is an integer number (4197648).

Almost surely, 2^204691050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 204691050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302230656).

204691050 is an abundant number, since it is smaller than the sum of its proper divisors (399770262).

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

204691050 is a wasteful number, since it uses less digits than its factorization.

204691050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1018 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 204691050 is about 14307.0279932626. The cubic root of 204691050 is about 589.3404964419.

It can be divided in two parts, 2046 and 91050, that added together give a triangular number (93096 = T₄₃₁).

The spelling of 204691050 in words is "two hundred four million, six hundred ninety-one thousand, fifty".