144320303132220 has 48 divisors (see below), whose sum is σ = 404428892400288. Its totient is φ = 38453790965760.

The previous prime is 144320303132189. The next prime is 144320303132231. The reversal of 144320303132220 is 22231303023441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 988151461 + ... + 988297500.

It is an arithmetic number, because the mean of its divisors is an integer number (8425601925006).

Almost surely, 2^{144320303132220} is an apocalyptic number.

144320303132220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144320303132220 is an abundant number, since it is smaller than the sum of its proper divisors (260108589268068).

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

144320303132220 is a wasteful number, since it uses less digits than its factorization.

144320303132220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1976450190 (or 1976450188 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 144320303132220 its reverse (22231303023441), we get a palindrome (166551606155661).

The spelling of 144320303132220 in words is "one hundred forty-four trillion, three hundred twenty billion, three hundred three million, one hundred thirty-two thousand, two hundred twenty".