22204342012020 has 288 divisors, whose sum is σ = 76445107643520. Its totient is φ = 4788204503040.

The previous prime is 22204342012009. The next prime is 22204342012033. The reversal of 22204342012020 is 2021024340222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12637572 + ... + 14286948.

It is an arithmetic number, because the mean of its divisors is an integer number (265434401540).

Almost surely, 2^{22204342012020} is an apocalyptic number.

22204342012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22204342012020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38222553821760).

22204342012020 is an abundant number, since it is smaller than the sum of its proper divisors (54240765631500).

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

22204342012020 is a wasteful number, since it uses less digits than its factorization.

22204342012020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649663 (or 1649654 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 22204342012020 its reverse (2021024340222), we get a palindrome (24225366352242).

The spelling of 22204342012020 in words is "twenty-two trillion, two hundred four billion, three hundred forty-two million, twelve thousand, twenty".