11200020220 has 12 divisors (see below), whose sum is σ = 23520042504. Its totient is φ = 4480008080.

The previous prime is 11200020217. The next prime is 11200020239. The reversal of 11200020220 is 2202000211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 11200020197 and 11200020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280000486 + ... + 280000525.

It is an arithmetic number, because the mean of its divisors is an integer number (1960003542).

Almost surely, 2^11200020220 is an apocalyptic number.

11200020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11200020220 is an abundant number, since it is smaller than the sum of its proper divisors (12320022284).

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

11200020220 is a wasteful number, since it uses less digits than its factorization.

11200020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560001020 (or 560001018 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11200020220 its reverse (2202000211), we get a palindrome (13402020431).

The spelling of 11200020220 in words is "eleven billion, two hundred million, twenty thousand, two hundred twenty".