21300032033 has 8 divisors (see below), whose sum is σ = 24741958080. Its totient is φ = 17957872080.

The previous prime is 21300031979. The next prime is 21300032093. The reversal of 21300032033 is 33023000312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21300032033 - 2³² = 17005064737 is a prime.

It is a super-2 number, since 2×21300032033² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21300032093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24941063 + ... + 24941916.

It is an arithmetic number, because the mean of its divisors is an integer number (3092744760).

Almost surely, 2^21300032033 is an apocalyptic number.

It is an amenable number.

21300032033 is a deficient number, since it is larger than the sum of its proper divisors (3441926047).

21300032033 is an equidigital number, since it uses as much as digits as its factorization.

21300032033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49883047.

The product of its (nonzero) digits is 324, while the sum is 17.

Adding to 21300032033 its reverse (33023000312), we get a palindrome (54323032345).

The spelling of 21300032033 in words is "twenty-one billion, three hundred million, thirty-two thousand, thirty-three".