21302233033 has 8 divisors (see below), whose sum is σ = 21379377600. Its totient is φ = 21225181200.

The previous prime is 21302233013. The next prime is 21302233063. The reversal of 21302233033 is 33033220312.

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 21302233033 - 2¹³ = 21302224841 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21302232995 and 21302233013.

It is not an unprimeable number, because it can be changed into a prime (21302233013) 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, 454758 + ... + 499408.

It is an arithmetic number, because the mean of its divisors is an integer number (2672422200).

Almost surely, 2^21302233033 is an apocalyptic number.

It is an amenable number.

21302233033 is a deficient number, since it is larger than the sum of its proper divisors (77144567).

21302233033 is a wasteful number, since it uses less digits than its factorization.

21302233033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46367.

The product of its (nonzero) digits is 1944, while the sum is 22.

Adding to 21302233033 its reverse (33033220312), we get a palindrome (54335453345).

The spelling of 21302233033 in words is "twenty-one billion, three hundred two million, two hundred thirty-three thousand, thirty-three".