402000201 has 12 divisors (see below), whose sum is σ = 589334512. Its totient is φ = 263999736.

The previous prime is 402000199. The next prime is 402000239. The reversal of 402000201 is 102000204.

It is not a de Polignac number, because 402000201 - 2¹ = 402000199 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402000251) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 332731 + ... + 333936.

Almost surely, 2^402000201 is an apocalyptic number.

It is an amenable number.

402000201 is a deficient number, since it is larger than the sum of its proper divisors (187334311).

402000201 is a wasteful number, since it uses less digits than its factorization.

402000201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666740 (or 666737 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 402000201 is about 20049.9426682472. The cubic root of 402000201 is about 738.0323922152.

Adding to 402000201 its reverse (102000204), we get a palindrome (504000405).

The spelling of 402000201 in words is "four hundred two million, two hundred one", and thus it is an aban number.