202400201 has 4 divisors (see below), whose sum is σ = 202920900. Its totient is φ = 201879504.

The previous prime is 202400167. The next prime is 202400203. The reversal of 202400201 is 102004202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102004202 = 2 ⋅51002101.

It can be written as a sum of positive squares in 2 ways, for example, as 32775625 + 169624576 = 5725^2 + 13024^2 .

It is a cyclic number.

It is not a de Polignac number, because 202400201 - 2⁶ = 202400137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202400203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259766 + ... + 260543.

It is an arithmetic number, because the mean of its divisors is an integer number (50730225).

Almost surely, 2^202400201 is an apocalyptic number.

It is an amenable number.

202400201 is a deficient number, since it is larger than the sum of its proper divisors (520699).

202400201 is an equidigital number, since it uses as much as digits as its factorization.

202400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520698.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 202400201 is about 14226.7424591858. The cubic root of 202400201 is about 587.1336612181.

Adding to 202400201 its reverse (102004202), we get a palindrome (304404403).

The spelling of 202400201 in words is "two hundred two million, four hundred thousand, two hundred one".