20300243101234 has 16 divisors (see below), whose sum is σ = 30527246858040. Its totient is φ = 10124495718400.

The previous prime is 20300243101231. The next prime is 20300243101283. The reversal of 20300243101234 is 43210134200302.

It can be written as a sum of positive squares in 4 ways, for example, as 18924701164009 + 1375541937225 = 4350253^2 + 1172835^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20300243101199 and 20300243101208.

It is not an unprimeable number, because it can be changed into a prime (20300243101231) 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, 26662422 + ... + 27413230.

Almost surely, 2^{20300243101234} is an apocalyptic number.

20300243101234 is a deficient number, since it is larger than the sum of its proper divisors (10227003756806).

20300243101234 is a wasteful number, since it uses less digits than its factorization.

20300243101234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784925.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 20300243101234 its reverse (43210134200302), we get a palindrome (63510377301536).

The spelling of 20300243101234 in words is "twenty trillion, three hundred billion, two hundred forty-three million, one hundred one thousand, two hundred thirty-four".