4020400202 has 16 divisors (see below), whose sum is σ = 7422277632. Its totient is φ = 1590487920.

The previous prime is 4020400183. The next prime is 4020400211. The reversal of 4020400202 is 2020040204.

It is a happy number.

4020400202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11044874 + ... + 11045237.

It is an arithmetic number, because the mean of its divisors is an integer number (463892352).

Almost surely, 2^4020400202 is an apocalyptic number.

4020400202 is a deficient number, since it is larger than the sum of its proper divisors (3401877430).

4020400202 is a wasteful number, since it uses less digits than its factorization.

4020400202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22090133.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 4020400202 is about 63406.6258525085. The cubic root of 4020400202 is about 1590.0950857524.

Adding to 4020400202 its reverse (2020040204), we get a palindrome (6040440406).

The spelling of 4020400202 in words is "four billion, twenty million, four hundred thousand, two hundred two".