20063452005 has 64 divisors (see below), whose sum is σ = 36130752000. Its totient is φ = 10562213376.

The previous prime is 20063451953. The next prime is 20063452009. The reversal of 20063452005 is 50025436002.

20063452005 is a `hidden beast` number, since 2 + 0 + 0 + 634 + 5 + 20 + 0 + 5 = 666.

It is not a de Polignac number, because 20063452005 - 2¹¹ = 20063449957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20063452005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20063452009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9887331 + ... + 9889359.

It is an arithmetic number, because the mean of its divisors is an integer number (564543000).

Almost surely, 2^20063452005 is an apocalyptic number.

It is an amenable number.

20063452005 is a deficient number, since it is larger than the sum of its proper divisors (16067299995).

20063452005 is a wasteful number, since it uses less digits than its factorization.

20063452005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2955 (or 2949 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 20063452005 its reverse (50025436002), we get a palindrome (70088888007).

The spelling of 20063452005 in words is "twenty billion, sixty-three million, four hundred fifty-two thousand, five".