20432671435 has 16 divisors (see below), whose sum is σ = 27201588480. Its totient is φ = 14608255840.

The previous prime is 20432671397. The next prime is 20432671439. The reversal of 20432671435 is 53417623402.

It is not a de Polignac number, because 20432671435 - 2¹⁹ = 20432147147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20432671394 and 20432671403.

It is not an unprimeable number, because it can be changed into a prime (20432671439) 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 15 ways as a sum of consecutive naturals, for example, 3145087 + ... + 3151576.

It is an arithmetic number, because the mean of its divisors is an integer number (1700099280).

Almost surely, 2^20432671435 is an apocalyptic number.

20432671435 is a deficient number, since it is larger than the sum of its proper divisors (6768917045).

20432671435 is a wasteful number, since it uses less digits than its factorization.

20432671435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296738.

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 20432671435 in words is "twenty billion, four hundred thirty-two million, six hundred seventy-one thousand, four hundred thirty-five".