20327600343 has 4 divisors (see below), whose sum is σ = 27103467128. Its totient is φ = 13551733560.

The previous prime is 20327600339. The next prime is 20327600347. The reversal of 20327600343 is 34300672302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20327600339) and next prime (20327600347).

It is not a de Polignac number, because 20327600343 - 2² = 20327600339 is a prime.

It is a super-2 number, since 2×20327600343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20327600343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20327600347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3387933388 + ... + 3387933393.

It is an arithmetic number, because the mean of its divisors is an integer number (6775866782).

Almost surely, 2^20327600343 is an apocalyptic number.

20327600343 is a deficient number, since it is larger than the sum of its proper divisors (6775866785).

20327600343 is an equidigital number, since it uses as much as digits as its factorization.

20327600343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6775866784.

The product of its (nonzero) digits is 18144, while the sum is 30.

The spelling of 20327600343 in words is "twenty billion, three hundred twenty-seven million, six hundred thousand, three hundred forty-three".