20743264272341 has 4 divisors (see below), whose sum is σ = 22338899985612. Its totient is φ = 19147628559072.

The previous prime is 20743264272293. The next prime is 20743264272343. The reversal of 20743264272341 is 14327246234702.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3641284486225 + 17101979786116 = 1908215^2 + 4135454^2 .

It is not a de Polignac number, because 20743264272341 - 2¹⁴ = 20743264255957 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 (20743264272343) 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, 797817856616 + ... + 797817856641.

It is an arithmetic number, because the mean of its divisors is an integer number (5584724996403).

Almost surely, 2^{20743264272341} is an apocalyptic number.

It is an amenable number.

20743264272341 is a deficient number, since it is larger than the sum of its proper divisors (1595635713271).

20743264272341 is a wasteful number, since it uses less digits than its factorization.

20743264272341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595635713270.

The product of its (nonzero) digits is 2709504, while the sum is 47.

The spelling of 20743264272341 in words is "twenty trillion, seven hundred forty-three billion, two hundred sixty-four million, two hundred seventy-two thousand, three hundred forty-one".