2011202020220 has 24 divisors (see below), whose sum is σ = 4242463822464. Its totient is φ = 800873269056.

The previous prime is 2011202020211. The next prime is 2011202020273. The reversal of 2011202020220 is 220202021102.

It is a super-2 number, since 2×2011202020220² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2011202020195 and 2011202020204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225466619 + ... + 225475538.

It is an arithmetic number, because the mean of its divisors is an integer number (176769325936).

Almost surely, 2^{2011202020220} is an apocalyptic number.

2011202020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011202020220 is an abundant number, since it is smaller than the sum of its proper divisors (2231261802244).

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

2011202020220 is a wasteful number, since it uses less digits than its factorization.

2011202020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450942389 (or 450942387 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2011202020220 its reverse (220202021102), we get a palindrome (2231404041322).

The spelling of 2011202020220 in words is "two trillion, eleven billion, two hundred two million, twenty thousand, two hundred twenty".