20357540366 has 8 divisors (see below), whose sum is σ = 30537633360. Its totient is φ = 10178329248.

The previous prime is 20357540351. The next prime is 20357540387. The reversal of 20357540366 is 66304575302.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159371 + ... + 257126.

It is an arithmetic number, because the mean of its divisors is an integer number (3817204170).

Almost surely, 2^20357540366 is an apocalyptic number.

20357540366 is a deficient number, since it is larger than the sum of its proper divisors (10180092994).

20357540366 is a wasteful number, since it uses less digits than its factorization.

20357540366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440938.

The product of its (nonzero) digits is 453600, while the sum is 41.

The spelling of 20357540366 in words is "twenty billion, three hundred fifty-seven million, five hundred forty thousand, three hundred sixty-six".