244320020 has 24 divisors (see below), whose sum is σ = 586368384. Its totient is φ = 83766816.

The previous prime is 244320019. The next prime is 244320029. The reversal of 244320020 is 20023442.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244320029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 872432 + ... + 872711.

It is an arithmetic number, because the mean of its divisors is an integer number (24432016).

Almost surely, 2^244320020 is an apocalyptic number.

244320020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244320020 is an abundant number, since it is smaller than the sum of its proper divisors (342048364).

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

244320020 is a wasteful number, since it uses less digits than its factorization.

244320020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745159 (or 1745157 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 244320020 is about 15630.7395858289. The cubic root of 244320020 is about 625.1530462532.

Adding to 244320020 its reverse (20023442), we get a palindrome (264343462).

The spelling of 244320020 in words is "two hundred forty-four million, three hundred twenty thousand, twenty".