20320543041 has 8 divisors (see below), whose sum is σ = 27754888224. Its totient is φ = 13216613280.

The previous prime is 20320543021. The next prime is 20320543043. The reversal of 20320543041 is 14034502302.

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

It is not a de Polignac number, because 20320543041 - 2¹³ = 20320534849 is a prime.

It is a super-2 number, since 2×20320543041² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20320543043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82603711 + ... + 82603956.

It is an arithmetic number, because the mean of its divisors is an integer number (3469361028).

Almost surely, 2^20320543041 is an apocalyptic number.

It is an amenable number.

20320543041 is a deficient number, since it is larger than the sum of its proper divisors (7434345183).

20320543041 is a wasteful number, since it uses less digits than its factorization.

20320543041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165207711.

The product of its (nonzero) digits is 2880, while the sum is 24.

The spelling of 20320543041 in words is "twenty billion, three hundred twenty million, five hundred forty-three thousand, forty-one".