20674374017 has 8 divisors (see below), whose sum is σ = 22668351552. Its totient is φ = 18699478000.

The previous prime is 20674374011. The next prime is 20674374029. The reversal of 20674374017 is 71047347602.

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 20674374017 - 2¹⁰ = 20674372993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20674374011) 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, 4768109 + ... + 4772442.

It is an arithmetic number, because the mean of its divisors is an integer number (2833543944).

Almost surely, 2^20674374017 is an apocalyptic number.

It is an amenable number.

20674374017 is a deficient number, since it is larger than the sum of its proper divisors (1993977535).

20674374017 is a wasteful number, since it uses less digits than its factorization.

20674374017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9540759.

The product of its (nonzero) digits is 197568, while the sum is 41.

The spelling of 20674374017 in words is "twenty billion, six hundred seventy-four million, three hundred seventy-four thousand, seventeen".