20201686685332 has 24 divisors (see below), whose sum is σ = 36308709570560. Its totient is φ = 9827773765920.

The previous prime is 20201686685309. The next prime is 20201686685359. The reversal of 20201686685332 is 23358668610202.

It is a self number, because there is not a number n which added to its sum of digits gives 20201686685332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22843357 + ... + 23711227.

Almost surely, 2^{20201686685332} is an apocalyptic number.

It is an amenable number.

20201686685332 is a deficient number, since it is larger than the sum of its proper divisors (16107022885228).

20201686685332 is a wasteful number, since it uses less digits than its factorization.

20201686685332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025191 (or 1025189 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 52.

The spelling of 20201686685332 in words is "twenty trillion, two hundred one billion, six hundred eighty-six million, six hundred eighty-five thousand, three hundred thirty-two".