244421312111020 has 48 divisors (see below), whose sum is σ = 560035370649888. Its totient is φ = 88866450984960.

The previous prime is 244421312110999. The next prime is 244421312111021. The reversal of 244421312111020 is 20111213124442.

It is a self number, because there is not a number n which added to its sum of digits gives 244421312111020.

It is not an unprimeable number, because it can be changed into a prime (244421312111021) 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, 86266107 + ... + 89054386.

It is an arithmetic number, because the mean of its divisors is an integer number (11667403555206).

Almost surely, 2^{244421312111020} is an apocalyptic number.

244421312111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244421312111020 is an abundant number, since it is smaller than the sum of its proper divisors (315614058538868).

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

244421312111020 is a wasteful number, since it uses less digits than its factorization.

244421312111020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175326850 (or 175326848 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

Adding to 244421312111020 its reverse (20111213124442), we get a palindrome (264532525235462).

The spelling of 244421312111020 in words is "two hundred forty-four trillion, four hundred twenty-one billion, three hundred twelve million, one hundred eleven thousand, twenty".