13220423140 has 48 divisors (see below), whose sum is σ = 28946534400. Its totient is φ = 5065587072.

The previous prime is 13220423131. The next prime is 13220423141. The reversal of 13220423140 is 4132402231.

It is not an unprimeable number, because it can be changed into a prime (13220423141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16080 + ... + 163399.

It is an arithmetic number, because the mean of its divisors is an integer number (603052800).

Almost surely, 2^13220423140 is an apocalyptic number.

13220423140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13220423140 is an abundant number, since it is smaller than the sum of its proper divisors (15726111260).

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

13220423140 is a wasteful number, since it uses less digits than its factorization.

13220423140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179644 (or 179642 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13220423140 its reverse (4132402231), we get a palindrome (17352825371).

The spelling of 13220423140 in words is "thirteen billion, two hundred twenty million, four hundred twenty-three thousand, one hundred forty".