20198418382 has 8 divisors (see below), whose sum is σ = 30298583952. Its totient is φ = 10098890400.

The previous prime is 20198418379. The next prime is 20198418389. The reversal of 20198418382 is 28381489102.

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

It is a super-2 number, since 2×20198418382² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20198418389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70219 + ... + 212902.

It is an arithmetic number, because the mean of its divisors is an integer number (3787322994).

Almost surely, 2^20198418382 is an apocalyptic number.

20198418382 is a deficient number, since it is larger than the sum of its proper divisors (10100165570).

20198418382 is a wasteful number, since it uses less digits than its factorization.

20198418382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318794.

The product of its (nonzero) digits is 221184, while the sum is 46.

The spelling of 20198418382 in words is "twenty billion, one hundred ninety-eight million, four hundred eighteen thousand, three hundred eighty-two".