201000033 has 24 divisors (see below), whose sum is σ = 315555240. Its totient is φ = 122549760.

The previous prime is 200999983. The next prime is 201000049. The reversal of 201000033 is 330000102.

It is a happy number.

201000033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 25887744 + 175112289 = 5088^2 + 13233^2 .

It is not a de Polignac number, because 201000033 - 2¹⁶ = 200934497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 200999979 and 201000024.

It is not an unprimeable number, because it can be changed into a prime (201000053) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4873 + ... + 20633.

It is an arithmetic number, because the mean of its divisors is an integer number (13148135).

Almost surely, 2^201000033 is an apocalyptic number.

It is an amenable number.

201000033 is a deficient number, since it is larger than the sum of its proper divisors (114555207).

201000033 is a wasteful number, since it uses less digits than its factorization.

201000033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889 (or 15886 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 201000033 is about 14177.4480425780. The cubic root of 201000033 is about 585.7766323225.

Adding to 201000033 its reverse (330000102), we get a palindrome (531000135).

The spelling of 201000033 in words is "two hundred one million, thirty-three", and thus it is an aban number.