11110020220 has 48 divisors (see below), whose sum is σ = 25285867488. Its totient is φ = 4076017920.

The previous prime is 11110020197. The next prime is 11110020239. The reversal of 11110020220 is 2202001111.

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 = 11110020197 and 11110020206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95266 + ... + 176905.

It is an arithmetic number, because the mean of its divisors is an integer number (526788906).

Almost surely, 2^11110020220 is an apocalyptic number.

11110020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110020220 is an abundant number, since it is smaller than the sum of its proper divisors (14175847268).

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

11110020220 is a wasteful number, since it uses less digits than its factorization.

11110020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272350 (or 272348 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 11110020220 its reverse (2202001111), we get a palindrome (13312021331).

The spelling of 11110020220 in words is "eleven billion, one hundred ten million, twenty thousand, two hundred twenty".