20332231002198 has 80 divisors (see below), whose sum is σ = 45795317729040. Its totient is φ = 6742372089600.

The previous prime is 20332231002131. The next prime is 20332231002253. The reversal of 20332231002198 is 89120013223302.

It is a happy number.

20332231002198 is a `hidden beast` number, since 2 + 0 + 3 + 322 + 310 + 0 + 2 + 19 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27817338 + ... + 28538898.

It is an arithmetic number, because the mean of its divisors is an integer number (572441471613).

Almost surely, 2^{20332231002198} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20332231002198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22897658864520).

20332231002198 is an abundant number, since it is smaller than the sum of its proper divisors (25463086726842).

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

20332231002198 is a wasteful number, since it uses less digits than its factorization.

20332231002198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722475 (or 722466 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 20332231002198 in words is "twenty trillion, three hundred thirty-two billion, two hundred thirty-one million, two thousand, one hundred ninety-eight".