204120363 has 16 divisors (see below), whose sum is σ = 288000000. Its totient is φ = 128236320.

The previous prime is 204120361. The next prime is 204120383. The reversal of 204120363 is 363021402.

It is a happy number.

It is not a de Polignac number, because 204120363 - 2¹ = 204120361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204120361) 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, 1513 + ... + 20261.

It is an arithmetic number, because the mean of its divisors is an integer number (18000000).

Almost surely, 2^204120363 is an apocalyptic number.

204120363 is a deficient number, since it is larger than the sum of its proper divisors (83879637).

204120363 is a wasteful number, since it uses less digits than its factorization.

204120363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18962.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 204120363 is about 14287.0697835490. The cubic root of 204120363 is about 588.7922848629.

Adding to 204120363 its reverse (363021402), we get a palindrome (567141765).

The spelling of 204120363 in words is "two hundred four million, one hundred twenty thousand, three hundred sixty-three".