11140220 has 48 divisors (see below), whose sum is σ = 28797888. Its totient is φ = 3525120.

The previous prime is 11140193. The next prime is 11140231. The reversal of 11140220 is 2204111.

11140220 = 50² + 51² + ... + 322².

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1241 + ... + 4880.

It is an arithmetic number, because the mean of its divisors is an integer number (599956).

Almost surely, 2^11140220 is an apocalyptic number.

11140220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11140220 is an abundant number, since it is smaller than the sum of its proper divisors (17657668).

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

11140220 is a wasteful number, since it uses less digits than its factorization.

11140220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6150 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 11140220 is about 3337.6968106765. The cubic root of 11140220 is about 223.3390112663.

Adding to 11140220 its reverse (2204111), we get a palindrome (13344331).

The spelling of 11140220 in words is "eleven million, one hundred forty thousand, two hundred twenty".