21322002995 has 8 divisors (see below), whose sum is σ = 25770479280. Its totient is φ = 16934885280.

The previous prime is 21322002967. The next prime is 21322003039. The reversal of 21322002995 is 59920022312.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21322002995 - 2⁸ = 21322002739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15338876 + ... + 15340265.

It is an arithmetic number, because the mean of its divisors is an integer number (3221309910).

Almost surely, 2^21322002995 is an apocalyptic number.

21322002995 is a deficient number, since it is larger than the sum of its proper divisors (4448476285).

21322002995 is a wasteful number, since it uses less digits than its factorization.

21322002995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30679285.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 21322002995 in words is "twenty-one billion, three hundred twenty-two million, two thousand, nine hundred ninety-five".