21324232292 has 24 divisors (see below), whose sum is σ = 40745302752. Its totient is φ = 9684403200.

The previous prime is 21324232273. The next prime is 21324232301. The reversal of 21324232292 is 29223242312.

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 7 ways as a sum of consecutive naturals, for example, 159434 + ... + 260897.

It is an arithmetic number, because the mean of its divisors is an integer number (1697720948).

Almost surely, 2^21324232292 is an apocalyptic number.

21324232292 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21324232292 is a deficient number, since it is larger than the sum of its proper divisors (19421070460).

21324232292 is a wasteful number, since it uses less digits than its factorization.

21324232292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421499 (or 421497 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The spelling of 21324232292 in words is "twenty-one billion, three hundred twenty-four million, two hundred thirty-two thousand, two hundred ninety-two".