20200020198 has 8 divisors (see below), whose sum is σ = 40400040408. Its totient is φ = 6733340064.

The previous prime is 20200020163. The next prime is 20200020257. The reversal of 20200020198 is 89102000202.

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

20200020198 is an admirable number.

It is a congruent number.

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, 1683335011 + ... + 1683335022.

It is an arithmetic number, because the mean of its divisors is an integer number (5050005051).

Almost surely, 2^20200020198 is an apocalyptic number.

20200020198 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.

20200020198 is a wasteful number, since it uses less digits than its factorization.

20200020198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3366670038.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 20200020198 in words is "twenty billion, two hundred million, twenty thousand, one hundred ninety-eight".