1120013220 has 48 divisors (see below), whose sum is σ = 3144375360. Its totient is φ = 297876096.

The previous prime is 1120013201. The next prime is 1120013239. The reversal of 1120013220 is 223100211.

It is an interprime number because it is at equal distance from previous prime (1120013201) and next prime (1120013239).

It is a super-2 number, since 2×1120013220² = 2508859225949536800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1120013196 and 1120013205.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1887 + ... + 47366.

It is an arithmetic number, because the mean of its divisors is an integer number (65507820).

Almost surely, 2^1120013220 is an apocalyptic number.

1120013220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1120013220 is an abundant number, since it is smaller than the sum of its proper divisors (2024362140).

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

1120013220 is a wasteful number, since it uses less digits than its factorization.

1120013220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49644 (or 49642 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1120013220 is about 33466.5985723079. The cubic root of 1120013220 is about 1038.5029063525.

Adding to 1120013220 its reverse (223100211), we get a palindrome (1343113431).

The spelling of 1120013220 in words is "one billion, one hundred twenty million, thirteen thousand, two hundred twenty".