20432106533 has 4 divisors (see below), whose sum is σ = 20439713280. Its totient is φ = 20424499788.

The previous prime is 20432106521. The next prime is 20432106547. The reversal of 20432106533 is 33560123402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20432106533 - 2¹² = 20432102437 is a prime.

It is a super-2 number, since 2×20432106533² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20432106496 and 20432106505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20432106593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3799343 + ... + 3804716.

It is an arithmetic number, because the mean of its divisors is an integer number (5109928320).

Almost surely, 2^20432106533 is an apocalyptic number.

It is an amenable number.

20432106533 is a deficient number, since it is larger than the sum of its proper divisors (7606747).

20432106533 is an equidigital number, since it uses as much as digits as its factorization.

20432106533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7606746.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 20432106533 its reverse (33560123402), we get a palindrome (53992229935).

The spelling of 20432106533 in words is "twenty billion, four hundred thirty-two million, one hundred six thousand, five hundred thirty-three".