11020002020020 has 48 divisors (see below), whose sum is σ = 26881578718848. Its totient is φ = 3716347282560.

The previous prime is 11020002020017. The next prime is 11020002020029. The reversal of 11020002020020 is 2002020002011.

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 = 11020002019979 and 11020002020006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020002020029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 645190642 + ... + 645207721.

It is an arithmetic number, because the mean of its divisors is an integer number (560032889976).

Almost surely, 2^{11020002020020} is an apocalyptic number.

11020002020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11020002020020 is an abundant number, since it is smaller than the sum of its proper divisors (15861576698828).

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

11020002020020 is a wasteful number, since it uses less digits than its factorization.

11020002020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290398440 (or 1290398438 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 11020002020020 its reverse (2002020002011), we get a palindrome (13022022022031).

The spelling of 11020002020020 in words is "eleven trillion, twenty billion, two million, twenty thousand, twenty".