20483545107 has 16 divisors (see below), whose sum is σ = 27598102272. Its totient is φ = 13512634080.

The previous prime is 20483545087. The next prime is 20483545109. The reversal of 20483545107 is 70154538402.

It is not a de Polignac number, because 20483545107 - 2¹² = 20483541011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20483545109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248757 + ... + 320697.

It is an arithmetic number, because the mean of its divisors is an integer number (1724881392).

Almost surely, 2^20483545107 is an apocalyptic number.

20483545107 is a deficient number, since it is larger than the sum of its proper divisors (7114557165).

20483545107 is a wasteful number, since it uses less digits than its factorization.

20483545107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72938.

The product of its (nonzero) digits is 134400, while the sum is 39.

It can be divided in two parts, 204835 and 45107, that added together give a palindrome (249942).

The spelling of 20483545107 in words is "twenty billion, four hundred eighty-three million, five hundred forty-five thousand, one hundred seven".