20310123532606 has 16 divisors (see below), whose sum is σ = 31598356505760. Its totient is φ = 9782772904800.

The previous prime is 20310123532597. The next prime is 20310123532627. The reversal of 20310123532606 is 60623532101302.

It is a super-2 number, since 2×20310123532606² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1358710986 + ... + 1358725933.

It is an arithmetic number, because the mean of its divisors is an integer number (1974897281610).

Almost surely, 2^{20310123532606} is an apocalyptic number.

20310123532606 is a deficient number, since it is larger than the sum of its proper divisors (11288232973154).

20310123532606 is a wasteful number, since it uses less digits than its factorization.

20310123532606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2717437059.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 20310123532606 its reverse (60623532101302), we get a palindrome (80933655633908).

The spelling of 20310123532606 in words is "twenty trillion, three hundred ten billion, one hundred twenty-three million, five hundred thirty-two thousand, six hundred six".