10243634361220 has 96 divisors (see below), whose sum is σ = 23751341365248. Its totient is φ = 3687386284032.

The previous prime is 10243634361217. The next prime is 10243634361281. The reversal of 10243634361220 is 2216343634201.

It is a self number, because there is not a number n which added to its sum of digits gives 10243634361220.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1509669 + ... + 4771411.

It is an arithmetic number, because the mean of its divisors is an integer number (247409805888).

Almost surely, 2^{10243634361220} is an apocalyptic number.

10243634361220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10243634361220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11875670682624).

10243634361220 is an abundant number, since it is smaller than the sum of its proper divisors (13507707004028).

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

10243634361220 is a wasteful number, since it uses less digits than its factorization.

10243634361220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3262069 (or 3262067 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 10243634361220 its reverse (2216343634201), we get a palindrome (12459977995421).

The spelling of 10243634361220 in words is "ten trillion, two hundred forty-three billion, six hundred thirty-four million, three hundred sixty-one thousand, two hundred twenty".