20123002220113 has 8 divisors (see below), whose sum is σ = 21671023604328. Its totient is φ = 18574994855424.

The previous prime is 20123002220071. The next prime is 20123002220143. The reversal of 20123002220113 is 31102220032102.

It can be written as a sum of positive squares in 4 ways, for example, as 407022308289 + 19715979911824 = 637983^2 + 4440268^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20123002220113 - 2²¹ = 20123000122961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20123002220143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423406 + ... + 6358087.

It is an arithmetic number, because the mean of its divisors is an integer number (2708877950541).

Almost surely, 2^{20123002220113} is an apocalyptic number.

It is an amenable number.

20123002220113 is a deficient number, since it is larger than the sum of its proper divisors (1548021384215).

20123002220113 is a wasteful number, since it uses less digits than its factorization.

20123002220113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7009763.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20123002220113 its reverse (31102220032102), we get a palindrome (51225222252215).

The spelling of 20123002220113 in words is "twenty trillion, one hundred twenty-three billion, two million, two hundred twenty thousand, one hundred thirteen".