20340203233 has 16 divisors (see below), whose sum is σ = 23862714880. Its totient is φ = 16977931776.

The previous prime is 20340203167. The next prime is 20340203239. The reversal of 20340203233 is 33230204302.

It is a cyclic number.

It is not a de Polignac number, because 20340203233 - 2¹³ = 20340195041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20340203239) 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, 211560 + ... + 292297.

It is an arithmetic number, because the mean of its divisors is an integer number (1491419680).

Almost surely, 2^20340203233 is an apocalyptic number.

It is an amenable number.

20340203233 is a deficient number, since it is larger than the sum of its proper divisors (3522511647).

20340203233 is an equidigital number, since it uses as much as digits as its factorization.

20340203233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504016.

The product of its (nonzero) digits is 2592, while the sum is 22.

Adding to 20340203233 its reverse (33230204302), we get a palindrome (53570407535).

The spelling of 20340203233 in words is "twenty billion, three hundred forty million, two hundred three thousand, two hundred thirty-three".