11420220000 has 240 divisors, whose sum is σ = 42813695232. Its totient is φ = 2610240000.

The previous prime is 11420219977. The next prime is 11420220001. The reversal of 11420220000 is 2202411.

It is a tau number, because it is divible by the number of its divisors (240).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11420220001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 406405 + ... + 433595.

Almost surely, 2^11420220000 is an apocalyptic number.

11420220000 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 11420220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21406847616).

11420220000 is an abundant number, since it is smaller than the sum of its proper divisors (31393475232).

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

11420220000 is an equidigital number, since it uses as much as digits as its factorization.

11420220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27231 (or 27208 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11420220000 its reverse (2202411), we get a palindrome (11422422411).

The spelling of 11420220000 in words is "eleven billion, four hundred twenty million, two hundred twenty thousand".