20003522243 has 8 divisors (see below), whose sum is σ = 21182305968. Its totient is φ = 18824972544.

The previous prime is 20003522237. The next prime is 20003522261. The reversal of 20003522243 is 34222530002.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20003522243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20003522743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135980 + ... + 241862.

It is an arithmetic number, because the mean of its divisors is an integer number (2647788246).

Almost surely, 2^20003522243 is an apocalyptic number.

20003522243 is a deficient number, since it is larger than the sum of its proper divisors (1178783725).

20003522243 is a wasteful number, since it uses less digits than its factorization.

20003522243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117013.

The product of its (nonzero) digits is 2880, while the sum is 23.

The spelling of 20003522243 in words is "twenty billion, three million, five hundred twenty-two thousand, two hundred forty-three".