20473322 has 4 divisors (see below), whose sum is σ = 30709986. Its totient is φ = 10236660.

The previous prime is 20473307. The next prime is 20473331. The reversal of 20473322 is 22337402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22337402 = 2 ⋅11168701.

It can be written as a sum of positive squares in only one way, i.e., 17884441 + 2588881 = 4229^2 + 1609^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5118329 + ... + 5118332.

Almost surely, 2^20473322 is an apocalyptic number.

20473322 is a deficient number, since it is larger than the sum of its proper divisors (10236664).

20473322 is a wasteful number, since it uses less digits than its factorization.

20473322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10236663.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 20473322 is about 4524.7455177059. The cubic root of 20473322 is about 273.5664106850.

The spelling of 20473322 in words is "twenty million, four hundred seventy-three thousand, three hundred twenty-two".