22400182020 has 48 divisors (see below), whose sum is σ = 62732835648. Its totient is φ = 5972208000.

The previous prime is 22400181983. The next prime is 22400182087. The reversal of 22400182020 is 2028100422.

It is a happy number.

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 15 ways as a sum of consecutive naturals, for example, 296127 + ... + 363993.

It is an arithmetic number, because the mean of its divisors is an integer number (1306934076).

Almost surely, 2^22400182020 is an apocalyptic number.

22400182020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400182020 is an abundant number, since it is smaller than the sum of its proper divisors (40332653628).

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

22400182020 is a wasteful number, since it uses less digits than its factorization.

22400182020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73380 (or 73378 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22400182020 its reverse (2028100422), we get a palindrome (24428282442).

The spelling of 22400182020 in words is "twenty-two billion, four hundred million, one hundred eighty-two thousand, twenty".