4020400201 has 4 divisors (see below), whose sum is σ = 4020612804. Its totient is φ = 4020187600.

The previous prime is 4020400183. The next prime is 4020400211. The reversal of 4020400201 is 1020040204.

4020400201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 640140601 + 3380259600 = 25301^2 + 58140^2 .

It is a cyclic number.

It is not a de Polignac number, because 4020400201 - 2⁵ = 4020400169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4020400211) 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, 74830 + ... + 116791.

It is an arithmetic number, because the mean of its divisors is an integer number (1005153201).

Almost surely, 2^4020400201 is an apocalyptic number.

It is an amenable number.

4020400201 is a deficient number, since it is larger than the sum of its proper divisors (212603).

4020400201 is a wasteful number, since it uses less digits than its factorization.

4020400201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212602.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 4020400201 is about 63406.6258446229. The cubic root of 4020400201 is about 1590.0950856206.

Adding to 4020400201 its reverse (1020040204), we get a palindrome (5040440405).

The spelling of 4020400201 in words is "four billion, twenty million, four hundred thousand, two hundred one".