201552404 has 24 divisors (see below), whose sum is σ = 369266688. Its totient is φ = 96076640.

The previous prime is 201552401. The next prime is 201552413. The reversal of 201552404 is 404255102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 201552404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201552401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25709 + ... + 32619.

It is an arithmetic number, because the mean of its divisors is an integer number (15386112).

Almost surely, 2^201552404 is an apocalyptic number.

It is an amenable number.

201552404 is a deficient number, since it is larger than the sum of its proper divisors (167714284).

201552404 is a wasteful number, since it uses less digits than its factorization.

201552404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7255 (or 7253 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 201552404 is about 14196.9152987542. The cubic root of 201552404 is about 586.3127351816.

The spelling of 201552404 in words is "two hundred one million, five hundred fifty-two thousand, four hundred four".