21300302010 has 48 divisors (see below), whose sum is σ = 55355590944. Its totient is φ = 5243150016.

The previous prime is 21300301993. The next prime is 21300302021. The reversal of 21300302010 is 1020300312.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2095552 + ... + 2105691.

It is an arithmetic number, because the mean of its divisors is an integer number (1153241478).

Almost surely, 2^21300302010 is an apocalyptic number.

21300302010 is an abundant number, since it is smaller than the sum of its proper divisors (34055288934).

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

21300302010 is a wasteful number, since it uses less digits than its factorization.

21300302010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4201279 (or 4201266 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 21300302010 its reverse (1020300312), we get a palindrome (22320602322).

The spelling of 21300302010 in words is "twenty-one billion, three hundred million, three hundred two thousand, ten".