244402002020420 has 12 divisors (see below), whose sum is σ = 513244204242924. Its totient is φ = 97760800808160.

The previous prime is 244402002020417. The next prime is 244402002020489. The reversal of 244402002020420 is 24020200204442.

It can be written as a sum of positive squares in 2 ways, for example, as 54233709837316 + 190168292183104 = 7364354^2 + 13790152^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 244402002020420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6110050050491 + ... + 6110050050530.

It is an arithmetic number, because the mean of its divisors is an integer number (42770350353577).

Almost surely, 2^{244402002020420} is an apocalyptic number.

244402002020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244402002020420 is an abundant number, since it is smaller than the sum of its proper divisors (268842202222504).

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

244402002020420 is a wasteful number, since it uses less digits than its factorization.

244402002020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12220100101030 (or 12220100101028 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 244402002020420 its reverse (24020200204442), we get a palindrome (268422202224862).

The spelling of 244402002020420 in words is "two hundred forty-four trillion, four hundred two billion, two million, twenty thousand, four hundred twenty".