20574674007 has 8 divisors (see below), whose sum is σ = 27474403440. Its totient is φ = 13695696960.

The previous prime is 20574673961. The next prime is 20574674017. The reversal of 20574674007 is 70047647502.

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

It is not a de Polignac number, because 20574674007 - 2²⁰ = 20573625431 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20574674007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20574674017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5185782 + ... + 5189747.

It is an arithmetic number, because the mean of its divisors is an integer number (3434300430).

Almost surely, 2^20574674007 is an apocalyptic number.

20574674007 is a deficient number, since it is larger than the sum of its proper divisors (6899729433).

20574674007 is a wasteful number, since it uses less digits than its factorization.

20574674007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10376193.

The product of its (nonzero) digits is 329280, while the sum is 42.

The spelling of 20574674007 in words is "twenty billion, five hundred seventy-four million, six hundred seventy-four thousand, seven".