20623432102063 has 16 divisors (see below), whose sum is σ = 23731421414400. Its totient is φ = 17555924965536.

The previous prime is 20623432102043. The next prime is 20623432102073. The reversal of 20623432102063 is 36020123432602.

It is a cyclic number.

It is not a de Polignac number, because 20623432102063 - 2³³ = 20614842167471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20623432102043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5394720 + ... + 8387482.

It is an arithmetic number, because the mean of its divisors is an integer number (1483213838400).

Almost surely, 2^{20623432102063} is an apocalyptic number.

20623432102063 is a deficient number, since it is larger than the sum of its proper divisors (3107989312337).

20623432102063 is a wasteful number, since it uses less digits than its factorization.

20623432102063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2999526.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 20623432102063 its reverse (36020123432602), we get a palindrome (56643555534665).

The spelling of 20623432102063 in words is "twenty trillion, six hundred twenty-three billion, four hundred thirty-two million, one hundred two thousand, sixty-three".