201520150 has 96 divisors (see below), whose sum is σ = 425472768. Its totient is φ = 70502400.

The previous prime is 201520141. The next prime is 201520177. The reversal of 201520150 is 51025102.

It is a super-2 number, since 2×201520150² = 81220741712045000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1470882 + ... + 1471018.

It is an arithmetic number, because the mean of its divisors is an integer number (4432008).

Almost surely, 2^201520150 is an apocalyptic number.

201520150 is an abundant number, since it is smaller than the sum of its proper divisors (223952618).

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

201520150 is a wasteful number, since it uses less digits than its factorization.

201520150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 201520150 is about 14195.7793023138. The cubic root of 201520150 is about 586.2814580556.

Adding to 201520150 its reverse (51025102), we get a palindrome (252545252).

The spelling of 201520150 in words is "two hundred one million, five hundred twenty thousand, one hundred fifty".