21301302000 has 160 divisors (see below), whose sum is σ = 74918847744. Its totient is φ = 5163936000.

The previous prime is 21301301941. The next prime is 21301302017. The reversal of 21301302000 is 20310312.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95374 + ... + 227373.

Almost surely, 2^21301302000 is an apocalyptic number.

21301302000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21301302000 is an abundant number, since it is smaller than the sum of its proper divisors (53617545744).

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

21301302000 is a wasteful number, since it uses less digits than its factorization.

21301302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322784 (or 322768 counting only the distinct ones).

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

Adding to 21301302000 its reverse (20310312), we get a palindrome (21321612312).

The spelling of 21301302000 in words is "twenty-one billion, three hundred one million, three hundred two thousand".