20203223201 has 32 divisors (see below), whose sum is σ = 24093849600. Its totient is φ = 16574745600.

The previous prime is 20203223191. The next prime is 20203223219. The reversal of 20203223201 is 10232230202.

It is not a de Polignac number, because 20203223201 - 2¹⁸ = 20202961057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20203223201.

It is not an unprimeable number, because it can be changed into a prime (20203223281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16821401 + ... + 16822601.

It is an arithmetic number, because the mean of its divisors is an integer number (752932800).

Almost surely, 2^20203223201 is an apocalyptic number.

It is an amenable number.

20203223201 is a deficient number, since it is larger than the sum of its proper divisors (3890626399).

20203223201 is a wasteful number, since it uses less digits than its factorization.

20203223201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889.

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

Adding to 20203223201 its reverse (10232230202), we get a palindrome (30435453403).

The spelling of 20203223201 in words is "twenty billion, two hundred three million, two hundred twenty-three thousand, two hundred one".