201502290 has 128 divisors (see below), whose sum is σ = 552593664. Its totient is φ = 46592000.

The previous prime is 201502289. The next prime is 201502291. The reversal of 201502290 is 92205102.

It is an interprime number because it is at equal distance from previous prime (201502289) and next prime (201502291).

It is not an unprimeable number, because it can be changed into a prime (201502291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 716950 + ... + 717230.

It is an arithmetic number, because the mean of its divisors is an integer number (4317138).

Almost surely, 2^201502290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201502290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (276296832).

201502290 is an abundant number, since it is smaller than the sum of its proper divisors (351091374).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201502290 is a wasteful number, since it uses less digits than its factorization.

201502290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 201502290 is about 14195.1502281589. The cubic root of 201502290 is about 586.2641375441.

Adding to 201502290 its reverse (92205102), we get a palindrome (293707392).

The spelling of 201502290 in words is "two hundred one million, five hundred two thousand, two hundred ninety".