22020545453443 has 8 divisors (see below), whose sum is σ = 23978815376400. Its totient is φ = 20142204915168.

The previous prime is 22020545453419. The next prime is 22020545453461. The reversal of 22020545453443 is 34435454502022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020545453443 - 2¹³ = 22020545445251 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22020545453443.

It is not an unprimeable number, because it can be changed into a prime (22020545453843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19982345596 + ... + 19982346697.

It is an arithmetic number, because the mean of its divisors is an integer number (2997351922050).

Almost surely, 2^{22020545453443} is an apocalyptic number.

22020545453443 is a deficient number, since it is larger than the sum of its proper divisors (1958269922957).

22020545453443 is a wasteful number, since it uses less digits than its factorization.

22020545453443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39964692341.

The product of its (nonzero) digits is 2304000, while the sum is 43.

Adding to 22020545453443 its reverse (34435454502022), we get a palindrome (56455999955465).

The spelling of 22020545453443 in words is "twenty-two trillion, twenty billion, five hundred forty-five million, four hundred fifty-three thousand, four hundred forty-three".