20105068703874 has 48 divisors (see below), whose sum is σ = 50511908161344. Its totient is φ = 5222095765920.

The previous prime is 20105068703809. The next prime is 20105068703891. The reversal of 20105068703874 is 47830786050102.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1978061497 + ... + 1978071660.

It is an arithmetic number, because the mean of its divisors is an integer number (1052331420028).

Almost surely, 2^{20105068703874} is an apocalyptic number.

20105068703874 is an abundant number, since it is smaller than the sum of its proper divisors (30406839457470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20105068703874 is a wasteful number, since it uses less digits than its factorization.

20105068703874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3956133191 (or 3956133180 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 20105068703874 in words is "twenty trillion, one hundred five billion, sixty-eight million, seven hundred three thousand, eight hundred seventy-four".