20202113030223 has 4 divisors (see below), whose sum is σ = 26936150706968. Its totient is φ = 13468075353480.

The previous prime is 20202113030179. The next prime is 20202113030263. The reversal of 20202113030223 is 32203031120202.

It is a happy number.

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

It is not a de Polignac number, because 20202113030223 - 2¹² = 20202113026127 is a prime.

It is a super-2 number, since 2×20202113030223² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20202113030223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20202113030263) 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, 3367018838368 + ... + 3367018838373.

It is an arithmetic number, because the mean of its divisors is an integer number (6734037676742).

Almost surely, 2^{20202113030223} is an apocalyptic number.

20202113030223 is a deficient number, since it is larger than the sum of its proper divisors (6734037676745).

20202113030223 is an equidigital number, since it uses as much as digits as its factorization.

20202113030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734037676744.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20202113030223 its reverse (32203031120202), we get a palindrome (52405144150425).

The spelling of 20202113030223 in words is "twenty trillion, two hundred two billion, one hundred thirteen million, thirty thousand, two hundred twenty-three".