11010220020 has 72 divisors (see below), whose sum is σ = 33721973376. Its totient is φ = 2907548352.

The previous prime is 11010219977. The next prime is 11010220027. The reversal of 11010220020 is 2002201011.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11010219984 and 11010220011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010220027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278392 + ... + 315471.

Almost surely, 2^11010220020 is an apocalyptic number.

11010220020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010220020 is an abundant number, since it is smaller than the sum of its proper divisors (22711753356).

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

11010220020 is a wasteful number, since it uses less digits than its factorization.

11010220020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593981 (or 593976 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 11010220020 its reverse (2002201011), we get a palindrome (13012421031).

The spelling of 11010220020 in words is "eleven billion, ten million, two hundred twenty thousand, twenty".