20211012020195 has 8 divisors (see below), whose sum is σ = 24260872546944. Its totient is φ = 16163704201024.

The previous prime is 20211012020137. The next prime is 20211012020197. The reversal of 20211012020195 is 59102021011202.

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

It is a cyclic number.

It is not a de Polignac number, because 20211012020195 - 2¹⁰ = 20211012019171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20211012020197) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 638159474 + ... + 638191143.

It is an arithmetic number, because the mean of its divisors is an integer number (3032609068368).

Almost surely, 2^{20211012020195} is an apocalyptic number.

20211012020195 is a deficient number, since it is larger than the sum of its proper divisors (4049860526749).

20211012020195 is a wasteful number, since it uses less digits than its factorization.

20211012020195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1276353789.

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

Adding to 20211012020195 its reverse (59102021011202), we get a palindrome (79313033031397).

The spelling of 20211012020195 in words is "twenty trillion, two hundred eleven billion, twelve million, twenty thousand, one hundred ninety-five".