20358022 has 4 divisors (see below), whose sum is σ = 30537036. Its totient is φ = 10179010.

The previous prime is 20358011. The next prime is 20358031. The reversal of 20358022 is 22085302.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 20357984 and 20358002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5089504 + ... + 5089507.

It is an arithmetic number, because the mean of its divisors is an integer number (7634259).

Almost surely, 2^20358022 is an apocalyptic number.

20358022 is a deficient number, since it is larger than the sum of its proper divisors (10179014).

20358022 is a wasteful number, since it uses less digits than its factorization.

20358022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10179013.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 20358022 is about 4511.9864804762. The cubic root of 20358022 is about 273.0518938682.

The spelling of 20358022 in words is "twenty million, three hundred fifty-eight thousand, twenty-two".