20314520247 has 8 divisors (see below), whose sum is σ = 30955459456. Its totient is φ = 11608297272.

The previous prime is 20314520221. The next prime is 20314520257. The reversal of 20314520247 is 74202541302.

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

It is not a de Polignac number, because 20314520247 - 2¹² = 20314516151 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 (20314520257) 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, 483679033 + ... + 483679074.

It is an arithmetic number, because the mean of its divisors is an integer number (3869432432).

Almost surely, 2^20314520247 is an apocalyptic number.

20314520247 is a deficient number, since it is larger than the sum of its proper divisors (10640939209).

20314520247 is an equidigital number, since it uses as much as digits as its factorization.

20314520247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967358117.

The product of its (nonzero) digits is 13440, while the sum is 30.

The spelling of 20314520247 in words is "twenty billion, three hundred fourteen million, five hundred twenty thousand, two hundred forty-seven".