20323102153055 has 16 divisors (see below), whose sum is σ = 26285282037504. Its totient is φ = 14995497400320.

The previous prime is 20323102153049. The next prime is 20323102153073. The reversal of 20323102153055 is 55035120132302.

It is not a de Polignac number, because 20323102153055 - 2²⁴ = 20323085375839 is a prime.

It is a super-2 number, since 2×20323102153055² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128377391 + ... + 128535600.

It is an arithmetic number, because the mean of its divisors is an integer number (1642830127344).

Almost surely, 2^{20323102153055} is an apocalyptic number.

20323102153055 is a deficient number, since it is larger than the sum of its proper divisors (5962179884449).

20323102153055 is a wasteful number, since it uses less digits than its factorization.

20323102153055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256914226.

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 20323102153055 its reverse (55035120132302), we get a palindrome (75358222285357).

The spelling of 20323102153055 in words is "twenty trillion, three hundred twenty-three billion, one hundred two million, one hundred fifty-three thousand, fifty-five".