10201520 has 40 divisors (see below), whose sum is σ = 27108384. Its totient is φ = 3497472.

The previous prime is 10201519. The next prime is 10201549. The reversal of 10201520 is 2510201.

10201520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8549 + ... + 9668.

Almost surely, 2^10201520 is an apocalyptic number.

10201520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10201520 is an abundant number, since it is smaller than the sum of its proper divisors (16906864).

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

10201520 is a wasteful number, since it uses less digits than its factorization.

10201520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18237 (or 18231 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 10201520 is about 3193.9818409002. The cubic root of 10201520 is about 216.8810606317.

Adding to 10201520 its reverse (2510201), we get a palindrome (12711721).

The spelling of 10201520 in words is "ten million, two hundred one thousand, five hundred twenty".