21230200232010 has 288 divisors, whose sum is σ = 70069044225024. Its totient is φ = 4410135072000.

The previous prime is 21230200231991. The next prime is 21230200232011. The reversal of 21230200232010 is 1023200203212.

21230200232010 is a `hidden beast` number, since 2 + 1 + 230 + 200 + 232 + 0 + 1 + 0 = 666.

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 (21230200232011) by changing a digit.

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 143 ways as a sum of consecutive naturals, for example, 164432880 + ... + 164561940.

It is an arithmetic number, because the mean of its divisors is an integer number (243295292448).

Almost surely, 2^{21230200232010} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21230200232010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35034522112512).

21230200232010 is an abundant number, since it is smaller than the sum of its proper divisors (48838843993014).

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

21230200232010 is a wasteful number, since it uses less digits than its factorization.

21230200232010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132490 (or 132480 counting only the distinct ones).

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

Adding to 21230200232010 its reverse (1023200203212), we get a palindrome (22253400435222).

The spelling of 21230200232010 in words is "twenty-one trillion, two hundred thirty billion, two hundred million, two hundred thirty-two thousand, ten".