244020120 has 64 divisors (see below), whose sum is σ = 733177440. Its totient is φ = 64972800.

The previous prime is 244020071. The next prime is 244020149. The reversal of 244020120 is 21020442.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 244020120.

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, 111840 + ... + 114000.

Almost surely, 2^244020120 is an apocalyptic number.

244020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244020120 is an abundant number, since it is smaller than the sum of its proper divisors (489157320).

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

244020120 is a wasteful number, since it uses less digits than its factorization.

244020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116 (or 3112 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 244020120 is about 15621.1433640435. The cubic root of 244020120 is about 624.8971521433.

Adding to 244020120 its reverse (21020442), we get a palindrome (265040562).

The spelling of 244020120 in words is "two hundred forty-four million, twenty thousand, one hundred twenty".