20169324 has 60 divisors (see below), whose sum is σ = 60265744. Its totient is φ = 5762016.

The previous prime is 20169323. The next prime is 20169349. The reversal of 20169324 is 42396102.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (20169323) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2179 + ... + 6714.

Almost surely, 2^20169324 is an apocalyptic number.

It is an amenable number.

20169324 is an abundant number, since it is smaller than the sum of its proper divisors (40096420).

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

20169324 is a wasteful number, since it uses less digits than its factorization.

20169324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8916 (or 8905 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20169324 is about 4491.0270540267. The cubic root of 20169324 is about 272.2056367392.

The spelling of 20169324 in words is "twenty million, one hundred sixty-nine thousand, three hundred twenty-four".