202010000197 has 8 divisors (see below), whose sum is σ = 202921504344. Its totient is φ = 201098876928.

The previous prime is 202010000191. The next prime is 202010000219. The reversal of 202010000197 is 791000010202.

It can be written as a sum of positive squares in 4 ways, for example, as 12170281761 + 189839718436 = 110319^2 + 435706^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202010000197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202010000191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996043 + ... + 1181575.

It is an arithmetic number, because the mean of its divisors is an integer number (25365188043).

Almost surely, 2^202010000197 is an apocalyptic number.

It is an amenable number.

202010000197 is a deficient number, since it is larger than the sum of its proper divisors (911504147).

202010000197 is a wasteful number, since it uses less digits than its factorization.

202010000197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190439.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 202010000197 its reverse (791000010202), we get a palindrome (993010010399).

The spelling of 202010000197 in words is "two hundred two billion, ten million, one hundred ninety-seven", and thus it is an aban number.