20622079 has 8 divisors (see below), whose sum is σ = 20954880. Its totient is φ = 20292000.

The previous prime is 20622073. The next prime is 20622083. The reversal of 20622079 is 97022602.

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

It is a cyclic number.

It is not a de Polignac number, because 20622079 - 2²¹ = 18524927 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20622073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18757 + ... + 19825.

It is an arithmetic number, because the mean of its divisors is an integer number (2619360).

Almost surely, 2^20622079 is an apocalyptic number.

20622079 is a deficient number, since it is larger than the sum of its proper divisors (332801).

20622079 is a wasteful number, since it uses less digits than its factorization.

20622079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 20622079 is about 4541.1539282433. The cubic root of 20622079 is about 274.2273806509.

The spelling of 20622079 in words is "twenty million, six hundred twenty-two thousand, seventy-nine".