123244422020 has 48 divisors (see below), whose sum is σ = 259683239088. Its totient is φ = 49132216320.

The previous prime is 123244421983. The next prime is 123244422047. The reversal of 123244422020 is 20224442321.

It can be written as a sum of positive squares in 8 ways, for example, as 4230461764 + 119013960256 = 65042^2 + 344984^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18896360 + ... + 18902880.

It is an arithmetic number, because the mean of its divisors is an integer number (5410067481).

Almost surely, 2^123244422020 is an apocalyptic number.

123244422020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

123244422020 is an abundant number, since it is smaller than the sum of its proper divisors (136438817068).

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

123244422020 is a wasteful number, since it uses less digits than its factorization.

123244422020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9560 (or 9558 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 123244422020 its reverse (20224442321), we get a palindrome (143468864341).

It can be divided in two parts, 12324 and 4422020, that added together give a palindrome (4434344).

The spelling of 123244422020 in words is "one hundred twenty-three billion, two hundred forty-four million, four hundred twenty-two thousand, twenty".