11222002020 has 48 divisors (see below), whose sum is σ = 31431879360. Its totient is φ = 2991555456.

The previous prime is 11222002009. The next prime is 11222002069. The reversal of 11222002020 is 2020022211.

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 = 11222001987 and 11222002005.

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, 164779 + ... + 222701.

It is an arithmetic number, because the mean of its divisors is an integer number (654830820).

Almost surely, 2^11222002020 is an apocalyptic number.

11222002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11222002020 is an abundant number, since it is smaller than the sum of its proper divisors (20209877340).

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

11222002020 is a wasteful number, since it uses less digits than its factorization.

11222002020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61164 (or 61162 counting only the distinct ones).

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

Adding to 11222002020 its reverse (2020022211), we get a palindrome (13242024231).

The spelling of 11222002020 in words is "eleven billion, two hundred twenty-two million, two thousand, twenty".