201530204 has 12 divisors (see below), whose sum is σ = 355455744. Its totient is φ = 99971424.

The previous prime is 201530183. The next prime is 201530213. The reversal of 201530204 is 402035102.

It is a super-2 number, since 2×201530204² = 81228846248563232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197849 + ... + 198864.

It is an arithmetic number, because the mean of its divisors is an integer number (29621312).

Almost surely, 2^201530204 is an apocalyptic number.

It is an amenable number.

201530204 is a deficient number, since it is larger than the sum of its proper divisors (153925540).

201530204 is a wasteful number, since it uses less digits than its factorization.

201530204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396844 (or 396842 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 201530204 is about 14196.1334172372. The cubic root of 201530204 is about 586.2912079090.

Adding to 201530204 its reverse (402035102), we get a palindrome (603565306).

The spelling of 201530204 in words is "two hundred one million, five hundred thirty thousand, two hundred four".