4022020000 has 60 divisors (see below), whose sum is σ = 9894821706. Its totient is φ = 1608800000.

The previous prime is 4022019979. The next prime is 4022020001. The reversal of 4022020000 is 202204.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 96746896 + 3925273104 = 9836^2 + 62652^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (4022020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 80551 + ... + 120550.

Almost surely, 2^4022020000 is an apocalyptic number.

4022020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4022020000 is an abundant number, since it is smaller than the sum of its proper divisors (5872801706).

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

4022020000 is an equidigital number, since it uses as much as digits as its factorization.

4022020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201131 (or 201108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 4022020000 is about 63419.3976634909. The cubic root of 4022020000 is about 1590.3086040495.

Adding to 4022020000 its reverse (202204), we get a palindrome (4022222204).

The spelling of 4022020000 in words is "four billion, twenty-two million, twenty thousand".