21333332320030 has 16 divisors (see below), whose sum is σ = 39437835965280. Its totient is φ = 8302702308192.

The previous prime is 21333332319931. The next prime is 21333332320033. The reversal of 21333332320030 is 3002323333312.

It is a super-2 number, since 2×21333332320030² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21333332320033) 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, 28828827090 + ... + 28828827829.

It is an arithmetic number, because the mean of its divisors is an integer number (2464864747830).

Almost surely, 2^{21333332320030} is an apocalyptic number.

21333332320030 is a deficient number, since it is larger than the sum of its proper divisors (18104503645250).

21333332320030 is a wasteful number, since it uses less digits than its factorization.

21333332320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57657654963.

The product of its (nonzero) digits is 17496, while the sum is 28.

Adding to 21333332320030 its reverse (3002323333312), we get a palindrome (24335655653342).

The spelling of 21333332320030 in words is "twenty-one trillion, three hundred thirty-three billion, three hundred thirty-two million, three hundred twenty thousand, thirty".