20422708 has 12 divisors (see below), whose sum is σ = 35802340. Its totient is φ = 10193472.

The previous prime is 20422697. The next prime is 20422723. The reversal of 20422708 is 80722402.

It can be written as a sum of positive squares in 2 ways, for example, as 868624 + 19554084 = 932^2 + 4422^2 .

It is a super-3 number, since 3×20422708³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1713 + ... + 6616.

Almost surely, 2^20422708 is an apocalyptic number.

It is an amenable number.

20422708 is a deficient number, since it is larger than the sum of its proper divisors (15379632).

20422708 is a wasteful number, since it uses less digits than its factorization.

20422708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8946 (or 8944 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 20422708 is about 4519.1490349401. The cubic root of 20422708 is about 273.3407883485.

The spelling of 20422708 in words is "twenty million, four hundred twenty-two thousand, seven hundred eight".