11010202020 has 60 divisors (see below), whose sum is σ = 34539416604. Its totient is φ = 2936053440.

The previous prime is 11010202013. The next prime is 11010202039. The reversal of 11010202020 is 2020201011.

It can be written as a sum of positive squares in 2 ways, for example, as 5680033956 + 5330168064 = 75366^2 + 73008^2 .

It is a tau number, because it is divible by the number of its divisors (60).

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 = 11010201993 and 11010202011.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3396591 + ... + 3399830.

Almost surely, 2^11010202020 is an apocalyptic number.

11010202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11010202020 is an abundant number, since it is smaller than the sum of its proper divisors (23529214584).

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

11010202020 is a wasteful number, since it uses less digits than its factorization.

11010202020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6796442 (or 6796431 counting only the distinct ones).

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

Adding to 11010202020 its reverse (2020201011), we get a palindrome (13030403031).

The spelling of 11010202020 in words is "eleven billion, ten million, two hundred two thousand, twenty".