1230020440244 has 24 divisors (see below), whose sum is σ = 2158061361288. Its totient is φ = 613431705600.

The previous prime is 1230020440241. The next prime is 1230020440247. The reversal of 1230020440244 is 4420440200321.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1230020440241) and next prime (1230020440247).

It can be written as a sum of positive squares in 4 ways, for example, as 254247892900 + 975772547344 = 504230^2 + 987812^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230020440241) 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, 38115764 + ... + 38148020.

It is an arithmetic number, because the mean of its divisors is an integer number (89919223387).

Almost surely, 2^{1230020440244} is an apocalyptic number.

It is an amenable number.

1230020440244 is a deficient number, since it is larger than the sum of its proper divisors (928040921044).

1230020440244 is a wasteful number, since it uses less digits than its factorization.

1230020440244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56435 (or 56433 counting only the distinct ones).

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

Adding to 1230020440244 its reverse (4420440200321), we get a palindrome (5650460640565).

The spelling of 1230020440244 in words is "one trillion, two hundred thirty billion, twenty million, four hundred forty thousand, two hundred forty-four".