4200422020 has 12 divisors (see below), whose sum is σ = 8820886284. Its totient is φ = 1680168800.

The previous prime is 4200422011. The next prime is 4200422027. The reversal of 4200422020 is 202240024.

It can be written as a sum of positive squares in 2 ways, for example, as 1030281604 + 3170140416 = 32098^2 + 56304^2 .

It is a super-2 number, since 2×4200422020² = 35287090292201760800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4200421985 and 4200422003.

It is not an unprimeable number, because it can be changed into a prime (4200422027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105010531 + ... + 105010570.

It is an arithmetic number, because the mean of its divisors is an integer number (735073857).

Almost surely, 2^4200422020 is an apocalyptic number.

It is an amenable number.

4200422020 is an abundant number, since it is smaller than the sum of its proper divisors (4620464264).

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

4200422020 is a wasteful number, since it uses less digits than its factorization.

4200422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210021110 (or 210021108 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4200422020 is about 64810.6628572799. The cubic root of 4200422020 is about 1613.4826838303.

Adding to 4200422020 its reverse (202240024), we get a palindrome (4402662044).

The spelling of 4200422020 in words is "four billion, two hundred million, four hundred twenty-two thousand, twenty".