11220202020020 has 24 divisors (see below), whose sum is σ = 26928484848384. Its totient is φ = 3846926406816.

The previous prime is 11220202020017. The next prime is 11220202020047. The reversal of 11220202020020 is 2002020202211.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a junction number, because it is equal to n+sod(n) for n = 11220202019977 and 11220202020004.

It is a congruent number.

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, 40072149932 + ... + 40072150211.

It is an arithmetic number, because the mean of its divisors is an integer number (1122020202016).

Almost surely, 2^{11220202020020} is an apocalyptic number.

11220202020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11220202020020 is an abundant number, since it is smaller than the sum of its proper divisors (15708282828364).

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

11220202020020 is a wasteful number, since it uses less digits than its factorization.

11220202020020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80144300159 (or 80144300157 counting only the distinct ones).

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

Adding to 11220202020020 its reverse (2002020202211), we get a palindrome (13222222222231).

The spelling of 11220202020020 in words is "eleven trillion, two hundred twenty billion, two hundred two million, twenty thousand, twenty".