201502550 has 12 divisors (see below), whose sum is σ = 374794836. Its totient is φ = 80601000.

The previous prime is 201502541. The next prime is 201502559. The reversal of 201502550 is 55205102.

It is an interprime number because it is at equal distance from previous prime (201502541) and next prime (201502559).

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201502559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2014976 + ... + 2015075.

It is an arithmetic number, because the mean of its divisors is an integer number (31232903).

Almost surely, 2^201502550 is an apocalyptic number.

201502550 is a deficient number, since it is larger than the sum of its proper divisors (173292286).

201502550 is a wasteful number, since it uses less digits than its factorization.

201502550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4030063 (or 4030058 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 201502550 is about 14195.1593862133. The cubic root of 201502550 is about 586.2643896978.

Adding to 201502550 its reverse (55205102), we get a palindrome (256707652).

The spelling of 201502550 in words is "two hundred one million, five hundred two thousand, five hundred fifty".