20061450442503 has 24 divisors (see below), whose sum is σ = 30536930193120. Its totient is φ = 12666147489600.

The previous prime is 20061450442493. The next prime is 20061450442559. The reversal of 20061450442503 is 30524405416002.

20061450442503 is a `hidden beast` number, since 2 + 0 + 0 + 6 + 145 + 0 + 4 + 4 + 2 + 503 = 666.

It is not a de Polignac number, because 20061450442503 - 2¹⁷ = 20061450311431 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20061450442603) 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 23 ways as a sum of consecutive naturals, for example, 479757408 + ... + 479799221.

It is an arithmetic number, because the mean of its divisors is an integer number (1272372091380).

Almost surely, 2^{20061450442503} is an apocalyptic number.

20061450442503 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20061450442503 is a deficient number, since it is larger than the sum of its proper divisors (10475479750617).

20061450442503 is a wasteful number, since it uses less digits than its factorization.

20061450442503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 959556759 (or 959556756 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 20061450442503 its reverse (30524405416002), we get a palindrome (50585855858505).

The spelling of 20061450442503 in words is "twenty trillion, sixty-one billion, four hundred fifty million, four hundred forty-two thousand, five hundred three".