20032418 has 8 divisors (see below), whose sum is σ = 34341312. Its totient is φ = 8585316.

The previous prime is 20032399. The next prime is 20032423. The reversal of 20032418 is 81423002.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20032418.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715430 + ... + 715457.

It is an arithmetic number, because the mean of its divisors is an integer number (4292664).

Almost surely, 2^20032418 is an apocalyptic number.

20032418 is a deficient number, since it is larger than the sum of its proper divisors (14308894).

20032418 is a wasteful number, since it uses less digits than its factorization.

20032418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430896.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20032418 is about 4475.7589300587. The cubic root of 20032418 is about 271.5883424742.

The spelling of 20032418 in words is "twenty million, thirty-two thousand, four hundred eighteen".