20190284418 has 8 divisors (see below), whose sum is σ = 40380568848. Its totient is φ = 6730094804.

The previous prime is 20190284417. The next prime is 20190284423. The reversal of 20190284418 is 81448209102.

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

20190284418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (20190284417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682523696 + ... + 1682523707.

It is an arithmetic number, because the mean of its divisors is an integer number (5047571106).

Almost surely, 2^20190284418 is an apocalyptic number.

20190284418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20190284418 is a wasteful number, since it uses less digits than its factorization.

20190284418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3365047408.

The product of its (nonzero) digits is 36864, while the sum is 39.

The spelling of 20190284418 in words is "twenty billion, one hundred ninety million, two hundred eighty-four thousand, four hundred eighteen".