20201210002195 has 32 divisors (see below), whose sum is σ = 24513391425600. Its totient is φ = 15980299467264.

The previous prime is 20201210002139. The next prime is 20201210002199. The reversal of 20201210002195 is 59120001210202.

It is a cyclic number.

It is not a de Polignac number, because 20201210002195 - 2⁹ = 20201210001683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20201210002199) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 817552501 + ... + 817577209.

It is an arithmetic number, because the mean of its divisors is an integer number (766043482050).

Almost surely, 2^{20201210002195} is an apocalyptic number.

20201210002195 is a deficient number, since it is larger than the sum of its proper divisors (4312181423405).

20201210002195 is a wasteful number, since it uses less digits than its factorization.

20201210002195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27799.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 20201210002195 its reverse (59120001210202), we get a palindrome (79321211212397).

The spelling of 20201210002195 in words is "twenty trillion, two hundred one billion, two hundred ten million, two thousand, one hundred ninety-five".