2111303020 has 24 divisors (see below), whose sum is σ = 4437193824. Its totient is φ = 843862656.

The previous prime is 2111303017. The next prime is 2111303057. The reversal of 2111303020 is 203031112.

It is a super-2 number, since 2×2111303020² = 8915200884522240800, which contains 22 as substring.

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, 14449 + ... + 66568.

It is an arithmetic number, because the mean of its divisors is an integer number (184883076).

Almost surely, 2^2111303020 is an apocalyptic number.

2111303020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2111303020 is an abundant number, since it is smaller than the sum of its proper divisors (2325890804).

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

2111303020 is a wasteful number, since it uses less digits than its factorization.

2111303020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82329 (or 82327 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2111303020 is about 45948.9175062917. The cubic root of 2111303020 is about 1282.8725809097.

Adding to 2111303020 its reverse (203031112), we get a palindrome (2314334132).

The spelling of 2111303020 in words is "two billion, one hundred eleven million, three hundred three thousand, twenty".