213302222020 has 48 divisors (see below), whose sum is σ = 464015790000. Its totient is φ = 82304583680.

The previous prime is 213302222011. The next prime is 213302222039. The reversal of 213302222020 is 20222203312.

213302222020 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 92508439104 + 120793782916 = 304152^2 + 347554^2 .

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 15 ways as a sum of consecutive naturals, for example, 1388395 + ... + 1534354.

It is an arithmetic number, because the mean of its divisors is an integer number (9666995625).

Almost surely, 2^213302222020 is an apocalyptic number.

213302222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213302222020 is an abundant number, since it is smaller than the sum of its proper divisors (250713567980).

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

213302222020 is a wasteful number, since it uses less digits than its factorization.

213302222020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922888 (or 2922886 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 213302222020 its reverse (20222203312), we get a palindrome (233524425332).

The spelling of 213302222020 in words is "two hundred thirteen billion, three hundred two million, two hundred twenty-two thousand, twenty".