10111202020 has 12 divisors (see below), whose sum is σ = 21233524284. Its totient is φ = 4044480800.

The previous prime is 10111202009. The next prime is 10111202027. The reversal of 10111202020 is 2020211101.

10111202020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2074438116 + 8036763904 = 45546^2 + 89648^2 .

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 = 10111201988 and 10111202006.

It is not an unprimeable number, because it can be changed into a prime (10111202027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252780031 + ... + 252780070.

It is an arithmetic number, because the mean of its divisors is an integer number (1769460357).

Almost surely, 2^10111202020 is an apocalyptic number.

10111202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10111202020 is an abundant number, since it is smaller than the sum of its proper divisors (11122322264).

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

10111202020 is a wasteful number, since it uses less digits than its factorization.

10111202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505560110 (or 505560108 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10111202020 its reverse (2020211101), we get a palindrome (12131413121).

The spelling of 10111202020 in words is "ten billion, one hundred eleven million, two hundred two thousand, twenty".