20169622 has 32 divisors (see below), whose sum is σ = 34473600. Its totient is φ = 8769600.

The previous prime is 20169619. The next prime is 20169629. The reversal of 20169622 is 22696102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20169629) 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 15 ways as a sum of consecutive naturals, for example, 53029 + ... + 53407.

It is an arithmetic number, because the mean of its divisors is an integer number (1077300).

Almost surely, 2^20169622 is an apocalyptic number.

20169622 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20169622 is a deficient number, since it is larger than the sum of its proper divisors (14303978).

20169622 is a wasteful number, since it uses less digits than its factorization.

20169622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 20169622 is about 4491.0602311704. The cubic root of 20169622 is about 272.2069773375.

The spelling of 20169622 in words is "twenty million, one hundred sixty-nine thousand, six hundred twenty-two".