20020101100223 has 4 divisors (see below), whose sum is σ = 22880115543120. Its totient is φ = 17160086657328.

The previous prime is 20020101100189. The next prime is 20020101100253. The reversal of 20020101100223 is 32200110102002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20020101100223 - 2³⁴ = 20002921231039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20020101100198 and 20020101100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020101100253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1430007221438 + ... + 1430007221451.

It is an arithmetic number, because the mean of its divisors is an integer number (5720028885780).

Almost surely, 2^{20020101100223} is an apocalyptic number.

20020101100223 is a deficient number, since it is larger than the sum of its proper divisors (2860014442897).

20020101100223 is an equidigital number, since it uses as much as digits as its factorization.

20020101100223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2860014442896.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20020101100223 its reverse (32200110102002), we get a palindrome (52220211202225).

The spelling of 20020101100223 in words is "twenty trillion, twenty billion, one hundred one million, one hundred thousand, two hundred twenty-three".