20201210210195 has 32 divisors (see below), whose sum is σ = 28321456775040. Its totient is φ = 13546413757440.

The previous prime is 20201210210183. The next prime is 20201210210219. The reversal of 20201210210195 is 59101201210202.

It is not a de Polignac number, because 20201210210195 - 2²⁶ = 20201143101331 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26977250 + ... + 27715959.

It is an arithmetic number, because the mean of its divisors is an integer number (885045524220).

Almost surely, 2^{20201210210195} is an apocalyptic number.

20201210210195 is a deficient number, since it is larger than the sum of its proper divisors (8120246564845).

20201210210195 is a wasteful number, since it uses less digits than its factorization.

20201210210195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54693455.

The product of its (nonzero) digits is 720, while the sum is 26.

Adding to 20201210210195 its reverse (59101201210202), we get a palindrome (79302411420397).

The spelling of 20201210210195 in words is "twenty trillion, two hundred one billion, two hundred ten million, two hundred ten thousand, one hundred ninety-five".