13223130020988 has 24 divisors (see below), whose sum is σ = 30854187057792. Its totient is φ = 4407679005744.

The previous prime is 13223130020987. The next prime is 13223130021001. The reversal of 13223130020988 is 88902003132231.

It is a super-2 number, since 2×13223130020988² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13223130020987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064070 + ... + 5541357.

It is an arithmetic number, because the mean of its divisors is an integer number (1285591127408).

Almost surely, 2^{13223130020988} is an apocalyptic number.

It is an amenable number.

13223130020988 is an abundant number, since it is smaller than the sum of its proper divisors (17631057036804).

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

13223130020988 is a wasteful number, since it uses less digits than its factorization.

13223130020988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7750321 (or 7750319 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 13223130020988 in words is "thirteen trillion, two hundred twenty-three billion, one hundred thirty million, twenty thousand, nine hundred eighty-eight".