20231220030130 has 16 divisors (see below), whose sum is σ = 36455060741400. Its totient is φ = 8083851414912.

The previous prime is 20231220030067. The next prime is 20231220030167. The reversal of 20231220030130 is 3103002213202.

It can be written as a sum of positive squares in 4 ways, for example, as 16042644376929 + 4188575653201 = 4005327^2 + 2046601^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20231220030098 and 20231220030107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079564805 + ... + 1079583544.

Almost surely, 2^{20231220030130} is an apocalyptic number.

20231220030130 is a deficient number, since it is larger than the sum of its proper divisors (16223840711270).

20231220030130 is a wasteful number, since it uses less digits than its factorization.

20231220030130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159149293.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 20231220030130 its reverse (3103002213202), we get a palindrome (23334222243332).

The spelling of 20231220030130 in words is "twenty trillion, two hundred thirty-one billion, two hundred twenty million, thirty thousand, one hundred thirty".