20235505245134 has 16 divisors (see below), whose sum is σ = 31333817212416. Its totient is φ = 9790929132600.

The previous prime is 20235505245127. The next prime is 20235505245199. The reversal of 20235505245134 is 43154250553202.

It is a junction number, because it is equal to n+sod(n) for n = 20235505245091 and 20235505245100.

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, 6027032 + ... + 8763339.

It is an arithmetic number, because the mean of its divisors is an integer number (1958363575776).

Almost surely, 2^{20235505245134} is an apocalyptic number.

20235505245134 is a deficient number, since it is larger than the sum of its proper divisors (11098311967282).

20235505245134 is a wasteful number, since it uses less digits than its factorization.

20235505245134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812471.

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 20235505245134 its reverse (43154250553202), we get a palindrome (63389755798336).

The spelling of 20235505245134 in words is "twenty trillion, two hundred thirty-five billion, five hundred five million, two hundred forty-five thousand, one hundred thirty-four".