11220033720 has 96 divisors (see below), whose sum is σ = 39155648400. Its totient is φ = 2564577792.

The previous prime is 11220033667. The next prime is 11220033739. The reversal of 11220033720 is 2733002211.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 948205 + ... + 959964.

Almost surely, 2^11220033720 is an apocalyptic number.

11220033720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220033720 is an abundant number, since it is smaller than the sum of its proper divisors (27935614680).

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

11220033720 is a wasteful number, since it uses less digits than its factorization.

11220033720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1908197 (or 1908186 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

Adding to 11220033720 its reverse (2733002211), we get a palindrome (13953035931).

The spelling of 11220033720 in words is "eleven billion, two hundred twenty million, thirty-three thousand, seven hundred twenty".