20481140083 has 4 divisors (see below), whose sum is σ = 20595560040. Its totient is φ = 20366720128.

The previous prime is 20481140063. The next prime is 20481140107. The reversal of 20481140083 is 38004118402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20481140083 - 2¹⁷ = 20481009011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20481140063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57209710 + ... + 57210067.

It is an arithmetic number, because the mean of its divisors is an integer number (5148890010).

Almost surely, 2^20481140083 is an apocalyptic number.

20481140083 is a deficient number, since it is larger than the sum of its proper divisors (114419957).

20481140083 is a wasteful number, since it uses less digits than its factorization.

20481140083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114419956.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 20481140083 its reverse (38004118402), we get a palindrome (58485258485).

The spelling of 20481140083 in words is "twenty billion, four hundred eighty-one million, one hundred forty thousand, eighty-three".