111070020 has 48 divisors (see below), whose sum is σ = 316104768. Its totient is φ = 29132160.

The previous prime is 111070007. The next prime is 111070021. The reversal of 111070020 is 20070111.

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 = 111069978 and 111070005.

It is not an unprimeable number, because it can be changed into a prime (111070021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11514 + ... + 18833.

It is an arithmetic number, because the mean of its divisors is an integer number (6585516).

Almost surely, 2^111070020 is an apocalyptic number.

111070020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111070020 is an abundant number, since it is smaller than the sum of its proper divisors (205034748).

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

111070020 is a wasteful number, since it uses less digits than its factorization.

111070020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30420 (or 30418 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 12.

The square root of 111070020 is about 10538.9762311147. The cubic root of 111070020 is about 480.6905858247.

Subtracting from 111070020 its reverse (20070111), we obtain a palindrome (90999909).

The spelling of 111070020 in words is "one hundred eleven million, seventy thousand, twenty".