20227192 has 8 divisors (see below), whose sum is σ = 37926000. Its totient is φ = 10113592.

The previous prime is 20227133. The next prime is 20227217. The reversal of 20227192 is 29172202.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1264192 + ... + 1264207.

It is an arithmetic number, because the mean of its divisors is an integer number (4740750).

Almost surely, 2^20227192 is an apocalyptic number.

It is an amenable number.

20227192 is a deficient number, since it is larger than the sum of its proper divisors (17698808).

20227192 is a wasteful number, since it uses less digits than its factorization.

20227192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2528405 (or 2528401 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 20227192 is about 4497.4650637887. The cubic root of 20227192 is about 272.4657174278.

Adding to 20227192 its reverse (29172202), we get a palindrome (49399394).

The spelling of 20227192 in words is "twenty million, two hundred twenty-seven thousand, one hundred ninety-two".