20672874593 has 8 divisors (see below), whose sum is σ = 23806495680. Its totient is φ = 17584341840.

The previous prime is 20672874581. The next prime is 20672874601. The reversal of 20672874593 is 39547827602.

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

It is a cyclic number.

It is not a de Polignac number, because 20672874593 - 2⁶ = 20672874529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20672844593) 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, 11271098 + ... + 11272931.

It is an arithmetic number, because the mean of its divisors is an integer number (2975811960).

Almost surely, 2^20672874593 is an apocalyptic number.

It is an amenable number.

20672874593 is a deficient number, since it is larger than the sum of its proper divisors (3133621087).

20672874593 is a wasteful number, since it uses less digits than its factorization.

20672874593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22544167.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 20672874593 in words is "twenty billion, six hundred seventy-two million, eight hundred seventy-four thousand, five hundred ninety-three".