4020402200 has 48 divisors (see below), whose sum is σ = 9368741880. Its totient is φ = 1604495360.

The previous prime is 4020402167. The next prime is 4020402209. The reversal of 4020402200 is 22040204.

It is a happy number.

4020402200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020402209) 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, 65912 + ... + 111288.

Almost surely, 2^4020402200 is an apocalyptic number.

4020402200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4020402200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4684370940).

4020402200 is an abundant number, since it is smaller than the sum of its proper divisors (5348339680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4020402200 is a wasteful number, since it uses less digits than its factorization.

4020402200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45836 (or 45827 counting only the distinct ones).

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

The square root of 4020402200 is about 63406.6416079578. The cubic root of 4020402200 is about 1590.0953491598.

Adding to 4020402200 its reverse (22040204), we get a palindrome (4042442404).

The spelling of 4020402200 in words is "four billion, twenty million, four hundred two thousand, two hundred".