22200035040020 has 12 divisors (see below), whose sum is σ = 46620073584084. Its totient is φ = 8880014016000.

The previous prime is 22200035040013. The next prime is 22200035040049. The reversal of 22200035040020 is 2004053000222.

It can be written as a sum of positive squares in 2 ways, for example, as 2259862784656 + 19940172255364 = 1503284^2 + 4465442^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1110001752001 = 22200035040020 / (2 + 2 + 2 + 0 + 0 + 0 + 3 + 5 + 0 + 4 + 0 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 22200035039974 and 22200035040001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555000875981 + ... + 555000876020.

It is an arithmetic number, because the mean of its divisors is an integer number (3885006132007).

Almost surely, 2^{22200035040020} is an apocalyptic number.

22200035040020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200035040020 is an abundant number, since it is smaller than the sum of its proper divisors (24420038544064).

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

22200035040020 is a wasteful number, since it uses less digits than its factorization.

22200035040020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110001752010 (or 1110001752008 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 22200035040020 its reverse (2004053000222), we get a palindrome (24204088040242).

The spelling of 22200035040020 in words is "twenty-two trillion, two hundred billion, thirty-five million, forty thousand, twenty".