213022233440020 has 24 divisors (see below), whose sum is σ = 447422217518304. Its totient is φ = 85194507224736.

The previous prime is 213022233439999. The next prime is 213022233440083. The reversal of 213022233440020 is 20044332220312.

213022233440020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 899013034 + ... + 899249953.

It is an arithmetic number, because the mean of its divisors is an integer number (18642592396596).

Almost surely, 2^{213022233440020} is an apocalyptic number.

213022233440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213022233440020 is an abundant number, since it is smaller than the sum of its proper divisors (234399984078284).

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

213022233440020 is a wasteful number, since it uses less digits than its factorization.

213022233440020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1798268919 (or 1798268917 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 213022233440020 its reverse (20044332220312), we get a palindrome (233066565660332).

The spelling of 213022233440020 in words is "two hundred thirteen trillion, twenty-two billion, two hundred thirty-three million, four hundred forty thousand, twenty".