20973322 has 16 divisors (see below), whose sum is σ = 32659200. Its totient is φ = 10089520.

The previous prime is 20973317. The next prime is 20973331. The reversal of 20973322 is 22337902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24579 + ... + 25417.

It is an arithmetic number, because the mean of its divisors is an integer number (2041200).

Almost surely, 2^20973322 is an apocalyptic number.

20973322 is a deficient number, since it is larger than the sum of its proper divisors (11685878).

20973322 is a wasteful number, since it uses less digits than its factorization.

20973322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301.

The product of its (nonzero) digits is 4536, while the sum is 28.

The square root of 20973322 is about 4579.6639614714. The cubic root of 20973322 is about 275.7755386398.

The spelling of 20973322 in words is "twenty million, nine hundred seventy-three thousand, three hundred twenty-two".