204071500 has 48 divisors (see below), whose sum is σ = 451878336. Its totient is φ = 80496000.

The previous prime is 204071489. The next prime is 204071503. The reversal of 204071500 is 5170402.

It is a super-2 number, since 2×204071500² = 83290354224500000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (204071503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33705 + ... + 39295.

It is an arithmetic number, because the mean of its divisors is an integer number (9414132).

Almost surely, 2^204071500 is an apocalyptic number.

204071500 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 204071500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225939168).

204071500 is an abundant number, since it is smaller than the sum of its proper divisors (247806836).

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

204071500 is a wasteful number, since it uses less digits than its factorization.

204071500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5683 (or 5671 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 204071500 is about 14285.3596384550. The cubic root of 204071500 is about 588.7452987726.

The spelling of 204071500 in words is "two hundred four million, seventy-one thousand, five hundred".