4220201640 has 64 divisors (see below), whose sum is σ = 12666677760. Its totient is φ = 1124847360.

The previous prime is 4220201639. The next prime is 4220201651. The reversal of 4220201640 is 461020224.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 285225 + ... + 299655.

It is an arithmetic number, because the mean of its divisors is an integer number (197916840).

Almost surely, 2^4220201640 is an apocalyptic number.

4220201640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4220201640 is an abundant number, since it is smaller than the sum of its proper divisors (8446476120).

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

4220201640 is a wasteful number, since it uses less digits than its factorization.

4220201640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16882 (or 16878 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 4220201640 is about 64963.0790526434. The cubic root of 4220201640 is about 1616.0113274457.

Adding to 4220201640 its reverse (461020224), we get a palindrome (4681221864).

It can be divided in two parts, 422020 and 1640, that added together give a triangular number (423660 = T₉₂₀).

The spelling of 4220201640 in words is "four billion, two hundred twenty million, two hundred one thousand, six hundred forty".