20203223221301 has 4 divisors (see below), whose sum is σ = 20203236145632. Its totient is φ = 20203210296972.

The previous prime is 20203223221177. The next prime is 20203223221319. The reversal of 20203223221301 is 10312232230202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20203223221301 - 2³⁴ = 20186043352117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20203223521301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3733241 + ... + 7371806.

It is an arithmetic number, because the mean of its divisors is an integer number (5050809036408).

Almost surely, 2^{20203223221301} is an apocalyptic number.

It is an amenable number.

20203223221301 is a deficient number, since it is larger than the sum of its proper divisors (12924331).

20203223221301 is a wasteful number, since it uses less digits than its factorization.

20203223221301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12924330.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 20203223221301 its reverse (10312232230202), we get a palindrome (30515455451503).

The spelling of 20203223221301 in words is "twenty trillion, two hundred three billion, two hundred twenty-three million, two hundred twenty-one thousand, three hundred one".