20113430433 has 8 divisors (see below), whose sum is σ = 26832187200. Its totient is φ = 13401813648.

The previous prime is 20113430431. The next prime is 20113430437. The reversal of 20113430433 is 33403431102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 20113430433 - 2¹ = 20113430431 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20113430431) 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 7 ways as a sum of consecutive naturals, for example, 1778418 + ... + 1789691.

It is an arithmetic number, because the mean of its divisors is an integer number (3354023400).

Almost surely, 2^20113430433 is an apocalyptic number.

It is an amenable number.

20113430433 is a deficient number, since it is larger than the sum of its proper divisors (6718756767).

20113430433 is a wasteful number, since it uses less digits than its factorization.

20113430433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569991.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 20113430433 its reverse (33403431102), we get a palindrome (53516861535).

The spelling of 20113430433 in words is "twenty billion, one hundred thirteen million, four hundred thirty thousand, four hundred thirty-three".