202198112802 has 36 divisors (see below), whose sum is σ = 509621776326. Its totient is φ = 57770889120.

The previous prime is 202198112801. The next prime is 202198112867. The reversal of 202198112802 is 208211891202.

202198112802 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 179785328121 + 22412784681 = 424011^2 + 149709^2 .

It is not an unprimeable number, because it can be changed into a prime (202198112801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 114623899 + ... + 114625662.

Almost surely, 2^202198112802 is an apocalyptic number.

202198112802 is an abundant number, since it is smaller than the sum of its proper divisors (307423663524).

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

202198112802 is a wasteful number, since it uses less digits than its factorization.

202198112802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229249583 (or 229249573 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The spelling of 202198112802 in words is "two hundred two billion, one hundred ninety-eight million, one hundred twelve thousand, eight hundred two".