4013045220 has 24 divisors (see below), whose sum is σ = 11236526784. Its totient is φ = 1070145376.

The previous prime is 4013045207. The next prime is 4013045249. The reversal of 4013045220 is 225403104.

It is a super-2 number, since 2×4013045220² = 32209063875529696800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33441984 + ... + 33442103.

It is an arithmetic number, because the mean of its divisors is an integer number (468188616).

Almost surely, 2^4013045220 is an apocalyptic number.

It is an amenable number.

4013045220 is an abundant number, since it is smaller than the sum of its proper divisors (7223481564).

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

4013045220 is a wasteful number, since it uses less digits than its factorization.

4013045220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66884099 (or 66884097 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4013045220 is about 63348.6007738135. The cubic root of 4013045220 is about 1589.1248457143.

Adding to 4013045220 its reverse (225403104), we get a palindrome (4238448324).

The spelling of 4013045220 in words is "four billion, thirteen million, forty-five thousand, two hundred twenty".