11202002020 has 48 divisors (see below), whose sum is σ = 26045828928. Its totient is φ = 4012652160.

The previous prime is 11202001991. The next prime is 11202002047. The reversal of 11202002020 is 2020020211.

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 = 11202001988 and 11202002006.

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, 365247 + ... + 394726.

It is an arithmetic number, because the mean of its divisors is an integer number (542621436).

Almost surely, 2^11202002020 is an apocalyptic number.

11202002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11202002020 is an abundant number, since it is smaller than the sum of its proper divisors (14843826908).

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

11202002020 is a wasteful number, since it uses less digits than its factorization.

11202002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760060 (or 760058 counting only the distinct ones).

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

Adding to 11202002020 its reverse (2020020211), we get a palindrome (13222022231).

It can be divided in two parts, 1 and 1202002020, that added together give a palindrome (1202002021).

The spelling of 11202002020 in words is "eleven billion, two hundred two million, two thousand, twenty".