4020200 has 24 divisors (see below), whose sum is σ = 9347430. Its totient is φ = 1608000.

The previous prime is 4020197. The next prime is 4020217. The reversal of 4020200 is 20204.

It can be written as a sum of positive squares in 3 ways, for example, as 2669956 + 1350244 = 1634^2 + 1162^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9851 + ... + 10250.

Almost surely, 2^4020200 is an apocalyptic number.

4020200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020200 is an abundant number, since it is smaller than the sum of its proper divisors (5327230).

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

4020200 is a wasteful number, since it uses less digits than its factorization.

4020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20117 (or 20108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 8.

The square root of 4020200 is about 2005.0436404228. The cubic root of 4020200 is about 159.0068691572.

Adding to 4020200 its reverse (20204), we get a palindrome (4040404).

The spelling of 4020200 in words is "four million, twenty thousand, two hundred".