22000002440020 has 48 divisors (see below), whose sum is σ = 50400502483968. Its totient is φ = 7999922015360.

The previous prime is 22000002439993. The next prime is 22000002440021. The reversal of 22000002440020 is 2004420000022.

It is a junction number, because it is equal to n+sod(n) for n = 22000002439976 and 22000002440003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22000002440021) by changing a digit.

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, 24819789 + ... + 25690891.

It is an arithmetic number, because the mean of its divisors is an integer number (1050010468416).

Almost surely, 2^{22000002440020} is an apocalyptic number.

22000002440020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000002440020 is an abundant number, since it is smaller than the sum of its proper divisors (28400500043948).

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

22000002440020 is a wasteful number, since it uses less digits than its factorization.

22000002440020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985920 (or 985918 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22000002440020 its reverse (2004420000022), we get a palindrome (24004422440042).

The spelling of 22000002440020 in words is "twenty-two trillion, two million, four hundred forty thousand, twenty".