11220023232 has 112 divisors (see below), whose sum is σ = 35983468800. Its totient is φ = 3400001280.

The previous prime is 11220023219. The next prime is 11220023251. The reversal of 11220023232 is 23232002211.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276132 + ... + 314147.

Almost surely, 2^11220023232 is an apocalyptic number.

11220023232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220023232 is an abundant number, since it is smaller than the sum of its proper divisors (24763445568).

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

11220023232 is a wasteful number, since it uses less digits than its factorization.

11220023232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590311 (or 590295 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 11220023232 its reverse (23232002211), we get a palindrome (34452025443).

The spelling of 11220023232 in words is "eleven billion, two hundred twenty million, twenty-three thousand, two hundred thirty-two".