204234140 has 24 divisors (see below), whose sum is σ = 467882352. Its totient is φ = 74266880.

The previous prime is 204234139. The next prime is 204234187. The reversal of 204234140 is 41432402.

204234140 is digitally balanced in base 2 and base 3, because in such bases 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 463949 + ... + 464388.

It is an arithmetic number, because the mean of its divisors is an integer number (19495098).

Almost surely, 2^204234140 is an apocalyptic number.

204234140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204234140 is an abundant number, since it is smaller than the sum of its proper divisors (263648212).

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

204234140 is a wasteful number, since it uses less digits than its factorization.

204234140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 928357 (or 928355 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 204234140 is about 14291.0510460218. The cubic root of 204234140 is about 588.9016624472.

Adding to 204234140 its reverse (41432402), we get a palindrome (245666542).

The spelling of 204234140 in words is "two hundred four million, two hundred thirty-four thousand, one hundred forty".