11020022220 has 48 divisors (see below), whose sum is σ = 30994467840. Its totient is φ = 2925491136.

The previous prime is 11020022119. The next prime is 11020022263. The reversal of 11020022220 is 2222002011.

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 = 11020022196 and 11020022205.

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, 398430 + ... + 425189.

It is an arithmetic number, because the mean of its divisors is an integer number (645718080).

Almost surely, 2^11020022220 is an apocalyptic number.

11020022220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020022220 is an abundant number, since it is smaller than the sum of its proper divisors (19974445620).

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

11020022220 is a wasteful number, since it uses less digits than its factorization.

11020022220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823854 (or 823852 counting only the distinct ones).

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

Adding to 11020022220 its reverse (2222002011), we get a palindrome (13242024231).

The spelling of 11020022220 in words is "eleven billion, twenty million, twenty-two thousand, two hundred twenty".