201002522 has 16 divisors (see below), whose sum is σ = 345021120. Its totient is φ = 86032608.

The previous prime is 201002521. The next prime is 201002531. The reversal of 201002522 is 225200102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 201002497 and 201002506.

It is not an unprimeable number, because it can be changed into a prime (201002521) 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, 2453 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (21563820).

Almost surely, 2^201002522 is an apocalyptic number.

201002522 is a deficient number, since it is larger than the sum of its proper divisors (144018598).

201002522 is a wasteful number, since it uses less digits than its factorization.

201002522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18565.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 201002522 is about 14177.5358225610. The cubic root of 201002522 is about 585.7790502193.

Adding to 201002522 its reverse (225200102), we get a palindrome (426202624).

It can be divided in two parts, 20100 and 2522, that added together give a palindrome (22622).

The spelling of 201002522 in words is "two hundred one million, two thousand, five hundred twenty-two".