20597382718 has 8 divisors (see below), whose sum is σ = 33704808120. Its totient is φ = 9362446680.

The previous prime is 20597382691. The next prime is 20597382761. The reversal of 20597382718 is 81728379502.

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

It is a congruent number.

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, 468122313 + ... + 468122356.

It is an arithmetic number, because the mean of its divisors is an integer number (4213101015).

Almost surely, 2^20597382718 is an apocalyptic number.

20597382718 is a deficient number, since it is larger than the sum of its proper divisors (13107425402).

20597382718 is a wasteful number, since it uses less digits than its factorization.

20597382718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936244682.

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 20597382718 in words is "twenty billion, five hundred ninety-seven million, three hundred eighty-two thousand, seven hundred eighteen".