20082110640 has 40 divisors (see below), whose sum is σ = 62254543728. Its totient is φ = 5355229440.

The previous prime is 20082110627. The next prime is 20082110683. The reversal of 20082110640 is 4601128002.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 20082110640.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 41837491 + ... + 41837970.

Almost surely, 2^20082110640 is an apocalyptic number.

20082110640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20082110640 is an abundant number, since it is smaller than the sum of its proper divisors (42172433088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20082110640 is a wasteful number, since it uses less digits than its factorization.

20082110640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83675477 (or 83675471 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 20082110640 its reverse (4601128002), we get a palindrome (24683238642).

The spelling of 20082110640 in words is "twenty billion, eighty-two million, one hundred ten thousand, six hundred forty".