11122232020 has 12 divisors (see below), whose sum is σ = 23356687284. Its totient is φ = 4448892800.

The previous prime is 11122232003. The next prime is 11122232029. The reversal of 11122232020 is 2023222111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8087764624 + 3034467396 = 89932^2 + 55086^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11122231985 and 11122232003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122232029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278055781 + ... + 278055820.

It is an arithmetic number, because the mean of its divisors is an integer number (1946390607).

Almost surely, 2^11122232020 is an apocalyptic number.

11122232020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11122232020 is an abundant number, since it is smaller than the sum of its proper divisors (12234455264).

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

11122232020 is a wasteful number, since it uses less digits than its factorization.

11122232020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556111610 (or 556111608 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11122232020 its reverse (2023222111), we get a palindrome (13145454131).

Subtracting from 11122232020 its reverse (2023222111), we obtain a palindrome (9099009909).

The spelling of 11122232020 in words is "eleven billion, one hundred twenty-two million, two hundred thirty-two thousand, twenty".