1140100220 has 48 divisors (see below), whose sum is σ = 2743587840. Its totient is φ = 389841984.

The previous prime is 1140100219. The next prime is 1140100231. The reversal of 1140100220 is 220010411.

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, 42317 + ... + 63803.

It is an arithmetic number, because the mean of its divisors is an integer number (57158080).

Almost surely, 2^1140100220 is an apocalyptic number.

1140100220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140100220 is an abundant number, since it is smaller than the sum of its proper divisors (1603487620).

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

1140100220 is a wasteful number, since it uses less digits than its factorization.

1140100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882 (or 21880 counting only the distinct ones).

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

The square root of 1140100220 is about 33765.3701297646. The cubic root of 1140100220 is about 1044.6745382687.

Adding to 1140100220 its reverse (220010411), we get a palindrome (1360110631).

The spelling of 1140100220 in words is "one billion, one hundred forty million, one hundred thousand, two hundred twenty".