20270022 has 8 divisors (see below), whose sum is σ = 40540056. Its totient is φ = 6756672.

The previous prime is 20269999. The next prime is 20270027. The reversal of 20270022 is 22007202.

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

20270022 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20269983 and 20270010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20270027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1689163 + ... + 1689174.

It is an arithmetic number, because the mean of its divisors is an integer number (5067507).

Almost surely, 2^20270022 is an apocalyptic number.

20270022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20270022 is a wasteful number, since it uses less digits than its factorization.

20270022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378342.

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 20270022 is about 4502.2241170337. The cubic root of 20270022 is about 272.6578923919.

Adding to 20270022 its reverse (22007202), we get a palindrome (42277224).

The spelling of 20270022 in words is "twenty million, two hundred seventy thousand, twenty-two".