20310100223 has 32 divisors (see below), whose sum is σ = 23905812480. Its totient is φ = 16897870080.

The previous prime is 20310100183. The next prime is 20310100253. The reversal of 20310100223 is 32200101302.

It is a happy number.

It is not a de Polignac number, because 20310100223 - 2¹⁸ = 20309838079 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20310100198 and 20310100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20310100253) 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, 8500313 + ... + 8502701.

It is an arithmetic number, because the mean of its divisors is an integer number (747056640).

Almost surely, 2^20310100223 is an apocalyptic number.

20310100223 is a deficient number, since it is larger than the sum of its proper divisors (3595712257).

20310100223 is a wasteful number, since it uses less digits than its factorization.

20310100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727.

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 20310100223 its reverse (32200101302), we get a palindrome (52510201525).

The spelling of 20310100223 in words is "twenty billion, three hundred ten million, one hundred thousand, two hundred twenty-three".