4010220 has 36 divisors (see below), whose sum is σ = 12164880. Its totient is φ = 1069344.

The previous prime is 4010203. The next prime is 4010221. The reversal of 4010220 is 220104.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4010221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10960 + ... + 11319.

Almost surely, 2^4010220 is an apocalyptic number.

It is an amenable number.

4010220 is an abundant number, since it is smaller than the sum of its proper divisors (8154660).

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

4010220 is a wasteful number, since it uses less digits than its factorization.

4010220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22294 (or 22289 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 4010220 is about 2002.5533700753. The cubic root of 4010220 is about 158.8751838763.

Adding to 4010220 its reverse (220104), we get a palindrome (4230324).

The spelling of 4010220 in words is "four million, ten thousand, two hundred twenty".