20085905674 has 8 divisors (see below), whose sum is σ = 30132151488. Its totient is φ = 10041855180.

The previous prime is 20085905669. The next prime is 20085905701. The reversal of 20085905674 is 47650958002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 525762 + ... + 562669.

It is an arithmetic number, because the mean of its divisors is an integer number (3766518936).

Almost surely, 2^20085905674 is an apocalyptic number.

20085905674 is a deficient number, since it is larger than the sum of its proper divisors (10046245814).

20085905674 is a wasteful number, since it uses less digits than its factorization.

20085905674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1097660.

The product of its (nonzero) digits is 604800, while the sum is 46.

The spelling of 20085905674 in words is "twenty billion, eighty-five million, nine hundred five thousand, six hundred seventy-four".