10020243600 has 180 divisors, whose sum is σ = 35429798196. Its totient is φ = 2621598720.

The previous prime is 10020243599. The next prime is 10020243601. The reversal of 10020243600 is 634202001.

It is a happy number.

10020243600 is a `hidden beast` number, since 1 + 0 + 0 + 20 + 2 + 43 + 600 = 666.

It is an interprime number because it is at equal distance from previous prime (10020243599) and next prime (10020243601).

It can be written as a sum of positive squares in 6 ways, for example, as 33039504 + 9987204096 = 5748^2 + 99936^2 .

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (10020243601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 164542 + ... + 217058.

Almost surely, 2^10020243600 is an apocalyptic number.

10020243600 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 10020243600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17714899098).

10020243600 is an abundant number, since it is smaller than the sum of its proper divisors (25409554596).

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

10020243600 is a wasteful number, since it uses less digits than its factorization.

10020243600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52594 (or 52580 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10020243600 its reverse (634202001), we get a palindrome (10654445601).

The spelling of 10020243600 in words is "ten billion, twenty million, two hundred forty-three thousand, six hundred".