20354632055323 has 16 divisors (see below), whose sum is σ = 20599583247360. Its totient is φ = 20111041069056.

The previous prime is 20354632055311. The next prime is 20354632055339. The reversal of 20354632055323 is 32355023645302.

It is a cyclic number.

It is not a de Polignac number, because 20354632055323 - 2²¹ = 20354629958171 is a prime.

It is a super-2 number, since 2×20354632055323² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20354632055323.

It is not an unprimeable number, because it can be changed into a prime (20354632055393) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 142659043 + ... + 142801651.

It is an arithmetic number, because the mean of its divisors is an integer number (1287473952960).

Almost surely, 2^{20354632055323} is an apocalyptic number.

20354632055323 is a deficient number, since it is larger than the sum of its proper divisors (244951192037).

20354632055323 is a wasteful number, since it uses less digits than its factorization.

20354632055323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147366.

The product of its (nonzero) digits is 1944000, while the sum is 43.

The spelling of 20354632055323 in words is "twenty trillion, three hundred fifty-four billion, six hundred thirty-two million, fifty-five thousand, three hundred twenty-three".