11000001202020 has 72 divisors (see below), whose sum is σ = 33395361120576. Its totient is φ = 2930811385152.

The previous prime is 11000001202009. The next prime is 11000001202039. The reversal of 11000001202020 is 2020210000011.

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 = 11000001201993 and 11000001202011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26063712 + ... + 26482391.

It is an arithmetic number, because the mean of its divisors is an integer number (463824460008).

Almost surely, 2^{11000001202020} is an apocalyptic number.

11000001202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000001202020 is an abundant number, since it is smaller than the sum of its proper divisors (22395359918556).

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

11000001202020 is a wasteful number, since it uses less digits than its factorization.

11000001202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52547281 (or 52547276 counting only the distinct ones).

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

Adding to 11000001202020 its reverse (2020210000011), we get a palindrome (13020211202031).

The spelling of 11000001202020 in words is "eleven trillion, one million, two hundred two thousand, twenty".