21933300756 has 24 divisors (see below), whose sum is σ = 53402819904. Its totient is φ = 6993226240.

The previous prime is 21933300713. The next prime is 21933300757. The reversal of 21933300756 is 65700333912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21933300757) 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, 39733965 + ... + 39734516.

It is an arithmetic number, because the mean of its divisors is an integer number (2225117496).

Almost surely, 2^21933300756 is an apocalyptic number.

It is an amenable number.

21933300756 is an abundant number, since it is smaller than the sum of its proper divisors (31469519148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21933300756 is a wasteful number, since it uses less digits than its factorization.

21933300756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79468511 (or 79468509 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 39.

The spelling of 21933300756 in words is "twenty-one billion, nine hundred thirty-three million, three hundred thousand, seven hundred fifty-six".