20432752603 has 4 divisors (see below), whose sum is σ = 20433050928. Its totient is φ = 20432454280.

The previous prime is 20432752583. The next prime is 20432752607. The reversal of 20432752603 is 30625723402.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30625723402 = 2 ⋅15312861701.

It is a cyclic number.

It is not a de Polignac number, because 20432752603 - 2²¹ = 20430655451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20432752607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10650 + ... + 202432.

It is an arithmetic number, because the mean of its divisors is an integer number (5108262732).

Almost surely, 2^20432752603 is an apocalyptic number.

20432752603 is a deficient number, since it is larger than the sum of its proper divisors (298325).

20432752603 is a wasteful number, since it uses less digits than its factorization.

20432752603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298324.

The product of its (nonzero) digits is 60480, while the sum is 34.

The spelling of 20432752603 in words is "twenty billion, four hundred thirty-two million, seven hundred fifty-two thousand, six hundred three".