20304575357 has 8 divisors (see below), whose sum is σ = 22153659840. Its totient is φ = 18456026560.

The previous prime is 20304575353. The next prime is 20304575363. The reversal of 20304575357 is 75357540302.

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 20304575357 - 2² = 20304575353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20304575353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52508 + ... + 208245.

It is an arithmetic number, because the mean of its divisors is an integer number (2769207480).

Almost surely, 2^20304575357 is an apocalyptic number.

It is an amenable number.

20304575357 is a deficient number, since it is larger than the sum of its proper divisors (1849084483).

20304575357 is a wasteful number, since it uses less digits than its factorization.

20304575357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267843.

The product of its (nonzero) digits is 441000, while the sum is 41.

The spelling of 20304575357 in words is "twenty billion, three hundred four million, five hundred seventy-five thousand, three hundred fifty-seven".