20211203223 has 48 divisors (see below), whose sum is σ = 29847347712. Its totient is φ = 13177080000.

The previous prime is 20211203213. The next prime is 20211203249. The reversal of 20211203223 is 32230211202.

It is not a de Polignac number, because 20211203223 - 2⁸ = 20211202967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20211203196 and 20211203205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20211203213) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32030118 + ... + 32030748.

It is an arithmetic number, because the mean of its divisors is an integer number (621819744).

Almost surely, 2^20211203223 is an apocalyptic number.

20211203223 is a deficient number, since it is larger than the sum of its proper divisors (9636144489).

20211203223 is a wasteful number, since it uses less digits than its factorization.

20211203223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20211203223 its reverse (32230211202), we get a palindrome (52441414425).

The spelling of 20211203223 in words is "twenty billion, two hundred eleven million, two hundred three thousand, two hundred twenty-three".