11220200640 has 336 divisors, whose sum is σ = 42401642400. Its totient is φ = 2700656640.

The previous prime is 11220200633. The next prime is 11220200669. The reversal of 11220200640 is 4600202211.

11220200640 is a `hidden beast` number, since 1 + 1 + 2 + 2 + 0 + 20 + 0 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4719132 + ... + 4721508.

Almost surely, 2^11220200640 is an apocalyptic number.

11220200640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11220200640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21200821200).

11220200640 is an abundant number, since it is smaller than the sum of its proper divisors (31181441760).

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

11220200640 is a wasteful number, since it uses less digits than its factorization.

11220200640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2547 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 11220200640 its reverse (4600202211), we get a palindrome (15820402851).

The spelling of 11220200640 in words is "eleven billion, two hundred twenty million, two hundred thousand, six hundred forty".