20754586321 has 8 divisors (see below), whose sum is σ = 24224198400. Its totient is φ = 17411142048.

The previous prime is 20754586319. The next prime is 20754586373. The reversal of 20754586321 is 12368545702.

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 20754586321 - 2¹ = 20754586319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20754586121) 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, 31541596 + ... + 31542253.

It is an arithmetic number, because the mean of its divisors is an integer number (3028024800).

Almost surely, 2^20754586321 is an apocalyptic number.

It is an amenable number.

20754586321 is a deficient number, since it is larger than the sum of its proper divisors (3469612079).

20754586321 is an equidigital number, since it uses as much as digits as its factorization.

20754586321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63083903.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 20754586321 in words is "twenty billion, seven hundred fifty-four million, five hundred eighty-six thousand, three hundred twenty-one".