201896520 has 64 divisors (see below), whose sum is σ = 692219520. Its totient is φ = 46147584.

The previous prime is 201896503. The next prime is 201896543. The reversal of 201896520 is 25698102.

It is a super-2 number, since 2×201896520² = 81524409576220800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119337 + ... + 121016.

It is an arithmetic number, because the mean of its divisors is an integer number (10815930).

Almost surely, 2^201896520 is an apocalyptic number.

201896520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201896520 is an abundant number, since it is smaller than the sum of its proper divisors (490323000).

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

201896520 is a wasteful number, since it uses less digits than its factorization.

201896520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240374 (or 240370 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 201896520 is about 14209.0295235107. The cubic root of 201896520 is about 586.6462214523.

The spelling of 201896520 in words is "two hundred one million, eight hundred ninety-six thousand, five hundred twenty".