20324418 has 32 divisors (see below), whose sum is σ = 44530560. Its totient is φ = 6155520.

The previous prime is 20324413. The next prime is 20324453. The reversal of 20324418 is 81442302.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20324413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 478 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (1391580).

Almost surely, 2^20324418 is an apocalyptic number.

20324418 is an abundant number, since it is smaller than the sum of its proper divisors (24206142).

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

20324418 is a wasteful number, since it uses less digits than its factorization.

20324418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 20324418 is about 4508.2610838327. The cubic root of 20324418 is about 272.9015732875.

The spelling of 20324418 in words is "twenty million, three hundred twenty-four thousand, four hundred eighteen".