1112142020 has 24 divisors (see below), whose sum is σ = 2547816768. Its totient is φ = 404415200.

The previous prime is 1112142001. The next prime is 1112142043. The reversal of 1112142020 is 202412111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112141986 and 1112142004.

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, 2527376 + ... + 2527815.

It is an arithmetic number, because the mean of its divisors is an integer number (106159032).

Almost surely, 2^1112142020 is an apocalyptic number.

1112142020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112142020 is an abundant number, since it is smaller than the sum of its proper divisors (1435674748).

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

1112142020 is a wasteful number, since it uses less digits than its factorization.

1112142020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5055211 (or 5055209 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1112142020 is about 33348.7933814703. The cubic root of 1112142020 is about 1036.0643969948.

Adding to 1112142020 its reverse (202412111), we get a palindrome (1314554131).

The spelling of 1112142020 in words is "one billion, one hundred twelve million, one hundred forty-two thousand, twenty".