4221020000 has 60 divisors (see below), whose sum is σ = 10384391556. Its totient is φ = 1688400000.

The previous prime is 4221019997. The next prime is 4221020003. The reversal of 4221020000 is 201224.

It is an interprime number because it is at equal distance from previous prime (4221019997) and next prime (4221020003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221020003) 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, 85526 + ... + 125525.

Almost surely, 2^4221020000 is an apocalyptic number.

4221020000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4221020000 is an abundant number, since it is smaller than the sum of its proper divisors (6163371556).

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

4221020000 is an equidigital number, since it uses as much as digits as its factorization.

4221020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211081 (or 211058 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 4221020000 is about 64969.3774019730. The cubic root of 4221020000 is about 1616.1157769222.

Adding to 4221020000 its reverse (201224), we get a palindrome (4221221224).

The spelling of 4221020000 in words is "four billion, two hundred twenty-one million, twenty thousand".