20201686685331 has 8 divisors (see below), whose sum is σ = 28353244470720. Its totient is φ = 12758960011752.

The previous prime is 20201686685309. The next prime is 20201686685359. The reversal of 20201686685331 is 13358668610202.

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

It is not a de Polignac number, because 20201686685331 - 2²¹ = 20201684588179 is a prime.

It is a super-2 number, since 2×20201686685331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201686645331) 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, 177207777885 + ... + 177207777998.

It is an arithmetic number, because the mean of its divisors is an integer number (3544155558840).

Almost surely, 2^{20201686685331} is an apocalyptic number.

20201686685331 is a deficient number, since it is larger than the sum of its proper divisors (8151557785389).

20201686685331 is a wasteful number, since it uses less digits than its factorization.

20201686685331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354415555905.

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 20201686685331 in words is "twenty trillion, two hundred one billion, six hundred eighty-six million, six hundred eighty-five thousand, three hundred thirty-one".