11020002010020 has 72 divisors (see below), whose sum is σ = 33427710965376. Its totient is φ = 2938634540352.

The previous prime is 11020002009959. The next prime is 11020002010049. The reversal of 11020002010020 is 2001020002011.

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 = 11020002009984 and 11020002010011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18919659 + ... + 19493421.

It is an arithmetic number, because the mean of its divisors is an integer number (464273763408).

Almost surely, 2^{11020002010020} is an apocalyptic number.

11020002010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020002010020 is an abundant number, since it is smaller than the sum of its proper divisors (22407708955356).

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

11020002010020 is a wasteful number, since it uses less digits than its factorization.

11020002010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680481 (or 680476 counting only the distinct ones).

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

Adding to 11020002010020 its reverse (2001020002011), we get a palindrome (13021022012031).

The spelling of 11020002010020 in words is "eleven trillion, twenty billion, two million, ten thousand, twenty".