4020004020200 has 48 divisors (see below), whose sum is σ = 10681724971680. Its totient is φ = 1378287092160.

The previous prime is 4020004020191. The next prime is 4020004020229. The reversal of 4020004020200 is 20204000204.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 1435714322 + ... + 1435717121.

It is an arithmetic number, because the mean of its divisors is an integer number (222535936910).

Almost surely, 2^{4020004020200} is an apocalyptic number.

4020004020200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4020004020200 is an abundant number, since it is smaller than the sum of its proper divisors (6661720951480).

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

4020004020200 is a wasteful number, since it uses less digits than its factorization.

4020004020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871431466 (or 2871431457 counting only the distinct ones).

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

Adding to 4020004020200 its reverse (20204000204), we get a palindrome (4040208020404).

The spelling of 4020004020200 in words is "four trillion, twenty billion, four million, twenty thousand, two hundred".