220144123410520 has 64 divisors (see below), whose sum is σ = 522252946252800. Its totient is φ = 83285601079680.

The previous prime is 220144123410499. The next prime is 220144123410521. The reversal of 220144123410520 is 25014321441022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220144123410521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238141086 + ... + 239063725.

It is an arithmetic number, because the mean of its divisors is an integer number (8160202285200).

Almost surely, 2^{220144123410520} is an apocalyptic number.

220144123410520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220144123410520 is an abundant number, since it is smaller than the sum of its proper divisors (302108822842280).

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

220144123410520 is a wasteful number, since it uses less digits than its factorization.

220144123410520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477205448 (or 477205444 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 220144123410520 its reverse (25014321441022), we get a palindrome (245158444851542).

The spelling of 220144123410520 in words is "two hundred twenty trillion, one hundred forty-four billion, one hundred twenty-three million, four hundred ten thousand, five hundred twenty".