21334202152 has 16 divisors (see below), whose sum is σ = 40006137600. Its totient is φ = 10665898800.

The previous prime is 21334202093. The next prime is 21334202167. The reversal of 21334202152 is 25120243312.

It is a super-2 number, since 2×21334202152² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72502 + ... + 218917.

It is an arithmetic number, because the mean of its divisors is an integer number (2500383600).

Almost surely, 2^21334202152 is an apocalyptic number.

It is an amenable number.

21334202152 is a deficient number, since it is larger than the sum of its proper divisors (18671935448).

21334202152 is a wasteful number, since it uses less digits than its factorization.

21334202152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300576 (or 300572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 21334202152 its reverse (25120243312), we get a palindrome (46454445464).

The spelling of 21334202152 in words is "twenty-one billion, three hundred thirty-four million, two hundred two thousand, one hundred fifty-two".