1113430220 has 24 divisors (see below), whose sum is σ = 2672232864. Its totient is φ = 381747456.

The previous prime is 1113430217. The next prime is 1113430223. The reversal of 1113430220 is 220343111.

It is an interprime number because it is at equal distance from previous prime (1113430217) and next prime (1113430223).

It is not an unprimeable number, because it can be changed into a prime (1113430223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3976397 + ... + 3976676.

It is an arithmetic number, because the mean of its divisors is an integer number (111343036).

Almost surely, 2^1113430220 is an apocalyptic number.

1113430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113430220 is an abundant number, since it is smaller than the sum of its proper divisors (1558802644).

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

1113430220 is a wasteful number, since it uses less digits than its factorization.

1113430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7953089 (or 7953087 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1113430220 is about 33368.1018339372. The cubic root of 1113430220 is about 1036.4642689386.

Adding to 1113430220 its reverse (220343111), we get a palindrome (1333773331).

The spelling of 1113430220 in words is "one billion, one hundred thirteen million, four hundred thirty thousand, two hundred twenty".