1008180220 has 12 divisors (see below), whose sum is σ = 2117178504. Its totient is φ = 403272080.

The previous prime is 1008180209. The next prime is 1008180227. The reversal of 1008180220 is 220818001.

It is a junction number, because it is equal to n+sod(n) for n = 1008180191 and 1008180200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1008180227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25204486 + ... + 25204525.

It is an arithmetic number, because the mean of its divisors is an integer number (176431542).

Almost surely, 2^1008180220 is an apocalyptic number.

1008180220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1008180220 is an abundant number, since it is smaller than the sum of its proper divisors (1108998284).

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

1008180220 is a wasteful number, since it uses less digits than its factorization.

1008180220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50409020 (or 50409018 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1008180220 is about 31751.8538041482. The cubic root of 1008180220 is about 1002.7193384952.

Adding to 1008180220 its reverse (220818001), we get a palindrome (1228998221).

The spelling of 1008180220 in words is "one billion, eight million, one hundred eighty thousand, two hundred twenty".