20432043003 has 16 divisors (see below), whose sum is σ = 28230209280. Its totient is φ = 13129222176.

The previous prime is 20432043001. The next prime is 20432043007. The reversal of 20432043003 is 30034023402.

It is not a de Polignac number, because 20432043003 - 2¹ = 20432043001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20432043001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148975 + ... + 251112.

It is an arithmetic number, because the mean of its divisors is an integer number (1764388080).

Almost surely, 2^20432043003 is an apocalyptic number.

20432043003 is a deficient number, since it is larger than the sum of its proper divisors (7798166277).

20432043003 is a wasteful number, since it uses less digits than its factorization.

20432043003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400706.

The product of its (nonzero) digits is 1728, while the sum is 21.

Adding to 20432043003 its reverse (30034023402), we get a palindrome (50466066405).

The spelling of 20432043003 in words is "twenty billion, four hundred thirty-two million, forty-three thousand, three".