112233112020 has 36 divisors (see below), whose sum is σ = 340440440340. Its totient is φ = 29928829824.

The previous prime is 112233112007. The next prime is 112233112037. The reversal of 112233112020 is 20211332211.

It can be written as a sum of positive squares in 2 ways, for example, as 29830816656 + 82402295364 = 172716^2 + 287058^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 112233111984 and 112233112002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311758465 + ... + 311758824.

Almost surely, 2^112233112020 is an apocalyptic number.

112233112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112233112020 is an abundant number, since it is smaller than the sum of its proper divisors (228207328320).

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

112233112020 is a wasteful number, since it uses less digits than its factorization.

112233112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623517304 (or 623517299 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112233112020 its reverse (20211332211), we get a palindrome (132444444231).

The spelling of 112233112020 in words is "one hundred twelve billion, two hundred thirty-three million, one hundred twelve thousand, twenty".