2238910020 has 72 divisors (see below), whose sum is σ = 6803446104. Its totient is φ = 595980288.

The previous prime is 2238909991. The next prime is 2238910021. The reversal of 2238910020 is 200198322.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 405700164 + 1833209856 = 20142^2 + 42816^2 .

It is not an unprimeable number, because it can be changed into a prime (2238910021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93082 + ... + 114638.

It is an arithmetic number, because the mean of its divisors is an integer number (94492307).

Almost surely, 2^2238910020 is an apocalyptic number.

2238910020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2238910020 is an abundant number, since it is smaller than the sum of its proper divisors (4564536084).

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

2238910020 is a wasteful number, since it uses less digits than its factorization.

2238910020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22149 (or 22144 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 2238910020 is about 47317.1218482274. The cubic root of 2238910020 is about 1308.2142636398.

The spelling of 2238910020 in words is "two billion, two hundred thirty-eight million, nine hundred ten thousand, twenty".