20010204223 has 2 divisors, whose sum is σ = 20010204224. Its totient is φ = 20010204222.

The previous prime is 20010204211. The next prime is 20010204233. The reversal of 20010204223 is 32240201002.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20010204223 - 2⁵ = 20010204191 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20010204197 and 20010204206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010204233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005102111 + 10005102112.

It is an arithmetic number, because the mean of its divisors is an integer number (10005102112).

Almost surely, 2^20010204223 is an apocalyptic number.

20010204223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010204223 is an equidigital number, since it uses as much as digits as its factorization.

20010204223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 20010204223 its reverse (32240201002), we get a palindrome (52250405225).

The spelling of 20010204223 in words is "twenty billion, ten million, two hundred four thousand, two hundred twenty-three".