1112022020 has 24 divisors (see below), whose sum is σ = 2472614424. Its totient is φ = 418643456.

The previous prime is 1112022007. The next prime is 1112022031. The reversal of 1112022020 is 202202111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 470109124 + 641912896 = 21682^2 + 25336^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1112021992 and 1112022010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1634987 + ... + 1635666.

It is an arithmetic number, because the mean of its divisors is an integer number (103025601).

Almost surely, 2^1112022020 is an apocalyptic number.

1112022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112022020 is an abundant number, since it is smaller than the sum of its proper divisors (1360592404).

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

1112022020 is a wasteful number, since it uses less digits than its factorization.

1112022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3270679 (or 3270677 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 1112022020 is about 33346.9941673909. The cubic root of 1112022020 is about 1036.0271319102.

Adding to 1112022020 its reverse (202202111), we get a palindrome (1314224131).

The spelling of 1112022020 in words is "one billion, one hundred twelve million, twenty-two thousand, twenty".