13222213020 has 72 divisors (see below), whose sum is σ = 41490408960. Its totient is φ = 3404338560.

The previous prime is 13222213009. The next prime is 13222213057. The reversal of 13222213020 is 2031222231.

13222213020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 13222212984 and 13222213002.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1261276 + ... + 1271715.

It is an arithmetic number, because the mean of its divisors is an integer number (576255680).

Almost surely, 2^13222213020 is an apocalyptic number.

13222213020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13222213020 is an abundant number, since it is smaller than the sum of its proper divisors (28268195940).

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

13222213020 is a wasteful number, since it uses less digits than its factorization.

13222213020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2533035 (or 2533030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 13222213020 its reverse (2031222231), we get a palindrome (15253435251).

The spelling of 13222213020 in words is "thirteen billion, two hundred twenty-two million, two hundred thirteen thousand, twenty".