20466322 has 4 divisors (see below), whose sum is σ = 30699486. Its totient is φ = 10233160.

The previous prime is 20466319. The next prime is 20466331. The reversal of 20466322 is 22366402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 18931201 + 1535121 = 4351^2 + 1239^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116579 + ... + 5116582.

Almost surely, 2^20466322 is an apocalyptic number.

20466322 is a deficient number, since it is larger than the sum of its proper divisors (10233164).

20466322 is a wasteful number, since it uses less digits than its factorization.

20466322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233163.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 20466322 is about 4523.9719274107. The cubic root of 20466322 is about 273.5352289165.

The spelling of 20466322 in words is "twenty million, four hundred sixty-six thousand, three hundred twenty-two".