220451223010000 has 50 divisors (see below), whose sum is σ = 533734456053722. Its totient is φ = 88180489200000.

The previous prime is 220451223009971. The next prime is 220451223010049. The reversal of 220451223010000 is 10322154022.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 29728273188496 + 190722949821504 = 5452364^2 + 13810248^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 11022551151 + ... + 11022571150.

Almost surely, 2^{220451223010000} is an apocalyptic number.

220451223010000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220451223010000 is an abundant number, since it is smaller than the sum of its proper divisors (313283233043722).

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

220451223010000 is an equidigital number, since it uses as much as digits as its factorization.

220451223010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22045122329 (or 22045122308 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 220451223010000 its reverse (10322154022), we get a palindrome (220461545164022).

The spelling of 220451223010000 in words is "two hundred twenty trillion, four hundred fifty-one billion, two hundred twenty-three million, ten thousand".