10243231400220 has 288 divisors, whose sum is σ = 35944381670400. Its totient is φ = 2160350470656.

The previous prime is 10243231400219. The next prime is 10243231400239. The reversal of 10243231400220 is 2200413234201.

It is a happy number.

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 98517421 + ... + 98621339.

It is an arithmetic number, because the mean of its divisors is an integer number (124806880800).

Almost surely, 2^{10243231400220} is an apocalyptic number.

10243231400220 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 10243231400220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17972190835200).

10243231400220 is an abundant number, since it is smaller than the sum of its proper divisors (25701150270180).

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

10243231400220 is a wasteful number, since it uses less digits than its factorization.

10243231400220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106537 (or 106528 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 10243231400220 its reverse (2200413234201), we get a palindrome (12443644634421).

The spelling of 10243231400220 in words is "ten trillion, two hundred forty-three billion, two hundred thirty-one million, four hundred thousand, two hundred twenty".