20074752543 has 4 divisors (see below), whose sum is σ = 26766336728. Its totient is φ = 13383168360.

The previous prime is 20074752541. The next prime is 20074752559. The reversal of 20074752543 is 34525747002.

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

It is not a de Polignac number, because 20074752543 - 2¹ = 20074752541 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 (20074752541) 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 3 ways as a sum of consecutive naturals, for example, 3345792088 + ... + 3345792093.

It is an arithmetic number, because the mean of its divisors is an integer number (6691584182).

Almost surely, 2^20074752543 is an apocalyptic number.

20074752543 is a deficient number, since it is larger than the sum of its proper divisors (6691584185).

20074752543 is an equidigital number, since it uses as much as digits as its factorization.

20074752543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6691584184.

The product of its (nonzero) digits is 235200, while the sum is 39.

The spelling of 20074752543 in words is "twenty billion, seventy-four million, seven hundred fifty-two thousand, five hundred forty-three".