20000222198 has 32 divisors (see below), whose sum is σ = 33818867712. Its totient is φ = 8788507200.

The previous prime is 20000222197. The next prime is 20000222201. The reversal of 20000222198 is 89122200002.

20000222198 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000222197) 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, 655490 + ... + 685322.

It is an arithmetic number, because the mean of its divisors is an integer number (1056839616).

Almost surely, 2^20000222198 is an apocalyptic number.

20000222198 is a deficient number, since it is larger than the sum of its proper divisors (13818645514).

20000222198 is a wasteful number, since it uses less digits than its factorization.

20000222198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30860.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 20000222198 in words is "twenty billion, two hundred twenty-two thousand, one hundred ninety-eight".