4002230001220 has 48 divisors (see below), whose sum is σ = 9168911676288. Its totient is φ = 1455329922560.

The previous prime is 4002230001181. The next prime is 4002230001223. The reversal of 4002230001220 is 221000322004.

It is a junction number, because it is equal to n+sod(n) for n = 4002230001194 and 4002230001203.

It is not an unprimeable number, because it can be changed into a prime (4002230001223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15218364 + ... + 15479116.

It is an arithmetic number, because the mean of its divisors is an integer number (191018993256).

Almost surely, 2^{4002230001220} is an apocalyptic number.

It is an amenable number.

4002230001220 is an abundant number, since it is smaller than the sum of its proper divisors (5166681675068).

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

4002230001220 is a wasteful number, since it uses less digits than its factorization.

4002230001220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330540 (or 330538 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 4002230001220 its reverse (221000322004), we get a palindrome (4223230323224).

The spelling of 4002230001220 in words is "four trillion, two billion, two hundred thirty million, one thousand, two hundred twenty".