2011000222020 has 96 divisors (see below), whose sum is σ = 5683511111040. Its totient is φ = 531268756480.

The previous prime is 2011000222009. The next prime is 2011000222037. The reversal of 2011000222020 is 202220001102.

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 = 2011000221987 and 2011000222005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2572051 + ... + 3261509.

It is an arithmetic number, because the mean of its divisors is an integer number (59203240740).

Almost surely, 2^{2011000222020} is an apocalyptic number.

2011000222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011000222020 is an abundant number, since it is smaller than the sum of its proper divisors (3672510889020).

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

2011000222020 is a wasteful number, since it uses less digits than its factorization.

2011000222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689925 (or 689923 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 2011000222020 its reverse (202220001102), we get a palindrome (2213220223122).

The spelling of 2011000222020 in words is "two trillion, eleven billion, two hundred twenty-two thousand, twenty".