201350019 has 16 divisors (see below), whose sum is σ = 290200064. Its totient is φ = 123444000.

The previous prime is 201350003. The next prime is 201350033. The reversal of 201350019 is 910053102.

It is not a de Polignac number, because 201350019 - 2⁴ = 201350003 is a prime.

It is a super-2 number, since 2×201350019² = 81083660302600722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201349977 and 201350004.

It is not an unprimeable number, because it can be changed into a prime (201350059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044 + ... + 20094.

It is an arithmetic number, because the mean of its divisors is an integer number (18137504).

Almost surely, 2^201350019 is an apocalyptic number.

201350019 is a deficient number, since it is larger than the sum of its proper divisors (88850045).

201350019 is a wasteful number, since it uses less digits than its factorization.

201350019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19338.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 201350019 is about 14189.7857277691. The cubic root of 201350019 is about 586.1164245451.

The spelling of 201350019 in words is "two hundred one million, three hundred fifty thousand, nineteen".