202020111324 has 36 divisors (see below), whose sum is σ = 511293247920. Its totient is φ = 67256788800.

The previous prime is 202020111313. The next prime is 202020111331. The reversal of 202020111324 is 423111020202.

It is a happy number.

202020111324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×202020111324² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 202020111297 and 202020111306.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3439152 + ... + 3497399.

It is an arithmetic number, because the mean of its divisors is an integer number (14202590220).

Almost surely, 2^202020111324 is an apocalyptic number.

It is an amenable number.

202020111324 is an abundant number, since it is smaller than the sum of its proper divisors (309273136596).

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

202020111324 is a wasteful number, since it uses less digits than its factorization.

202020111324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937370 (or 6937365 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202020111324 its reverse (423111020202), we get a palindrome (625131131526).

The spelling of 202020111324 in words is "two hundred two billion, twenty million, one hundred eleven thousand, three hundred twenty-four".