201513890 has 32 divisors (see below), whose sum is σ = 370548864. Its totient is φ = 78883200.

The previous prime is 201513883. The next prime is 201513901. The reversal of 201513890 is 98315102.

201513890 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 110990 + ... + 112790.

It is an arithmetic number, because the mean of its divisors is an integer number (11579652).

Almost surely, 2^201513890 is an apocalyptic number.

201513890 is a deficient number, since it is larger than the sum of its proper divisors (169034974).

201513890 is a wasteful number, since it uses less digits than its factorization.

201513890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2042.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 201513890 is about 14195.5588125301. The cubic root of 201513890 is about 586.2753872649.

Adding to 201513890 its reverse (98315102), we get a palindrome (299828992).

The spelling of 201513890 in words is "two hundred one million, five hundred thirteen thousand, eight hundred ninety".