20712443673933 has 16 divisors (see below), whose sum is σ = 33474656443200. Its totient is φ = 12552996165840.

The previous prime is 20712443673899. The next prime is 20712443673967. The reversal of 20712443673933 is 33937634421702.

20712443673933 is a `hidden beast` number, since 2 + 0 + 7 + 1 + 244 + 3 + 6 + 7 + 393 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (20712443673899) and next prime (20712443673967).

It is not a de Polignac number, because 20712443673933 - 2³⁶ = 20643724197197 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20712443673933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712443673973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34869433498 + ... + 34869434091.

It is an arithmetic number, because the mean of its divisors is an integer number (2092166027700).

Almost surely, 2^{20712443673933} is an apocalyptic number.

It is an amenable number.

20712443673933 is a deficient number, since it is larger than the sum of its proper divisors (12762212769267).

20712443673933 is a wasteful number, since it uses less digits than its factorization.

20712443673933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69738867609 (or 69738867603 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 54.

The spelling of 20712443673933 in words is "twenty trillion, seven hundred twelve billion, four hundred forty-three million, six hundred seventy-three thousand, nine hundred thirty-three".