20433406245 has 16 divisors (see below), whose sum is σ = 37363943040. Its totient is φ = 9340985664.

The previous prime is 20433406219. The next prime is 20433406249. The reversal of 20433406245 is 54260433402.

It is not a de Polignac number, because 20433406245 - 2⁸ = 20433405989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20433406249) 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, 97301830 + ... + 97302039.

It is an arithmetic number, because the mean of its divisors is an integer number (2335246440).

Almost surely, 2^20433406245 is an apocalyptic number.

It is an amenable number.

20433406245 is a deficient number, since it is larger than the sum of its proper divisors (16930536795).

20433406245 is a wasteful number, since it uses less digits than its factorization.

20433406245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194603884.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20433406245 its reverse (54260433402), we get a palindrome (74693839647).

The spelling of 20433406245 in words is "twenty billion, four hundred thirty-three million, four hundred six thousand, two hundred forty-five".