20579122 has 8 divisors (see below), whose sum is σ = 30939696. Its totient is φ = 10265892.

The previous prime is 20579113. The next prime is 20579123. The reversal of 20579122 is 22197502.

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

It is not an unprimeable number, because it can be changed into a prime (20579123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10728 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (3867462).

Almost surely, 2^20579122 is an apocalyptic number.

20579122 is a deficient number, since it is larger than the sum of its proper divisors (10360574).

20579122 is a wasteful number, since it uses less digits than its factorization.

20579122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23672.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20579122 is about 4536.4217176096. The cubic root of 20579122 is about 274.0368377133.

The spelling of 20579122 in words is "twenty million, five hundred seventy-nine thousand, one hundred twenty-two".