21302132000 has 48 divisors (see below), whose sum is σ = 52339348152. Its totient is φ = 8520851200.

The previous prime is 21302131993. The next prime is 21302132053. The reversal of 21302132000 is 23120312.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6036046864 + 15266085136 = 77692^2 + 123556^2 .

It is a super-3 number, since 3×21302132000³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658767 + ... + 2666766.

Almost surely, 2^21302132000 is an apocalyptic number.

21302132000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21302132000 is an abundant number, since it is smaller than the sum of its proper divisors (31037216152).

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

21302132000 is an equidigital number, since it uses as much as digits as its factorization.

21302132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325558 (or 5325540 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 21302132000 its reverse (23120312), we get a palindrome (21325252312).

The spelling of 21302132000 in words is "twenty-one billion, three hundred two million, one hundred thirty-two thousand".