21332033013 has 16 divisors (see below), whose sum is σ = 29109072960. Its totient is φ = 13888285824.

The previous prime is 21332033003. The next prime is 21332033081. The reversal of 21332033013 is 31033023312.

It is not a de Polignac number, because 21332033013 - 2⁶ = 21332032949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332033003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1096273 + ... + 1115561.

It is an arithmetic number, because the mean of its divisors is an integer number (1819317060).

Almost surely, 2^21332033013 is an apocalyptic number.

It is an amenable number.

21332033013 is a deficient number, since it is larger than the sum of its proper divisors (7777039947).

21332033013 is a wasteful number, since it uses less digits than its factorization.

21332033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27908.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 21332033013 its reverse (31033023312), we get a palindrome (52365056325).

The spelling of 21332033013 in words is "twenty-one billion, three hundred thirty-two million, thirty-three thousand, thirteen".