11000020220 has 48 divisors (see below), whose sum is σ = 26601619968. Its totient is φ = 3742639680.

The previous prime is 11000020193. The next prime is 11000020249. The reversal of 11000020220 is 2202000011.

It is a junction number, because it is equal to n+sod(n) for n = 11000020198 and 11000020207.

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, 281552 + ... + 318231.

It is an arithmetic number, because the mean of its divisors is an integer number (554200416).

Almost surely, 2^11000020220 is an apocalyptic number.

11000020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000020220 is an abundant number, since it is smaller than the sum of its proper divisors (15601599748).

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

11000020220 is a wasteful number, since it uses less digits than its factorization.

11000020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599930 (or 599928 counting only the distinct ones).

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

Adding to 11000020220 its reverse (2202000011), we get a palindrome (13202020231).

The spelling of 11000020220 in words is "eleven billion, twenty thousand, two hundred twenty".