21334033232 has 10 divisors (see below), whose sum is σ = 41334689418. Its totient is φ = 10667016608.

The previous prime is 21334033229. The next prime is 21334033277. The reversal of 21334033232 is 23233043312.

It can be written as a sum of positive squares in only one way, i.e., 21209844496 + 124188736 = 145636^2 + 11144^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666688523 + ... + 666688554.

Almost surely, 2^21334033232 is an apocalyptic number.

It is an amenable number.

21334033232 is a deficient number, since it is larger than the sum of its proper divisors (20000656186).

21334033232 is a wasteful number, since it uses less digits than its factorization.

21334033232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333377085 (or 1333377079 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 26.

Adding to 21334033232 its reverse (23233043312), we get a palindrome (44567076544).

The spelling of 21334033232 in words is "twenty-one billion, three hundred thirty-four million, thirty-three thousand, two hundred thirty-two".