20224020198 has 48 divisors (see below), whose sum is σ = 42758800560. Its totient is φ = 6375697152.

The previous prime is 20224020191. The next prime is 20224020209. The reversal of 20224020198 is 89102042202.

It is a super-2 number, since 2×20224020198² (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 (20224020191) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246690 + ... + 318282.

It is an arithmetic number, because the mean of its divisors is an integer number (890808345).

Almost surely, 2^20224020198 is an apocalyptic number.

20224020198 is an abundant number, since it is smaller than the sum of its proper divisors (22534780362).

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

20224020198 is a wasteful number, since it uses less digits than its factorization.

20224020198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71733 (or 71710 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 20224020198 in words is "twenty billion, two hundred twenty-four million, twenty thousand, one hundred ninety-eight".