1202313442420 has 24 divisors (see below), whose sum is σ = 2525556434184. Its totient is φ = 480792385536.

The previous prime is 1202313442403. The next prime is 1202313442427. The reversal of 1202313442420 is 242443132021.

It can be written as a sum of positive squares in 4 ways, for example, as 28098475876 + 1174214966544 = 167626^2 + 1083612^2 .

It is a super-2 number, since 2×1202313442420² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1202313442427) 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, 8237817 + ... + 8382496.

It is an arithmetic number, because the mean of its divisors is an integer number (105231518091).

Almost surely, 2^{1202313442420} is an apocalyptic number.

1202313442420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1202313442420 is an abundant number, since it is smaller than the sum of its proper divisors (1323242991764).

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

1202313442420 is a wasteful number, since it uses less digits than its factorization.

1202313442420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16623939 (or 16623937 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1202313442420 its reverse (242443132021), we get a palindrome (1444756574441).

The spelling of 1202313442420 in words is "one trillion, two hundred two billion, three hundred thirteen million, four hundred forty-two thousand, four hundred twenty".