213323001020 has 12 divisors (see below), whose sum is σ = 447978302184. Its totient is φ = 85329200400.

The previous prime is 213323001019. The next prime is 213323001071. The reversal of 213323001020 is 20100323312.

213323001020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 213323001020.

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 3 ways as a sum of consecutive naturals, for example, 5333075006 + ... + 5333075045.

It is an arithmetic number, because the mean of its divisors is an integer number (37331525182).

Almost surely, 2^213323001020 is an apocalyptic number.

213323001020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213323001020 is an abundant number, since it is smaller than the sum of its proper divisors (234655301164).

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

213323001020 is a wasteful number, since it uses less digits than its factorization.

213323001020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10666150060 (or 10666150058 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 213323001020 its reverse (20100323312), we get a palindrome (233423324332).

The spelling of 213323001020 in words is "two hundred thirteen billion, three hundred twenty-three million, one thousand, twenty".