20203122203 has 8 divisors (see below), whose sum is σ = 22047034800. Its totient is φ = 18360420480.

The previous prime is 20203122109. The next prime is 20203122209. The reversal of 20203122203 is 30222130202.

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

It is a cyclic number.

It is not a de Polignac number, because 20203122203 - 2¹² = 20203118107 is a prime.

It is a super-2 number, since 2×20203122203² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20203122209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267650 + ... + 334727.

It is an arithmetic number, because the mean of its divisors is an integer number (2755879350).

Almost surely, 2^20203122203 is an apocalyptic number.

20203122203 is a deficient number, since it is larger than the sum of its proper divisors (1843912597).

20203122203 is a wasteful number, since it uses less digits than its factorization.

20203122203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605437.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20203122203 its reverse (30222130202), we get a palindrome (50425252405).

The spelling of 20203122203 in words is "twenty billion, two hundred three million, one hundred twenty-two thousand, two hundred three".