22020444463 has 4 divisors (see below), whose sum is σ = 22021571520. Its totient is φ = 22019317408.

The previous prime is 22020444461. The next prime is 22020444487. The reversal of 22020444463 is 36444402022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22020444463 - 2¹ = 22020444461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020444461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 533695 + ... + 573472.

It is an arithmetic number, because the mean of its divisors is an integer number (5505392880).

Almost surely, 2^22020444463 is an apocalyptic number.

22020444463 is a deficient number, since it is larger than the sum of its proper divisors (1127057).

22020444463 is a wasteful number, since it uses less digits than its factorization.

22020444463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1127056.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 22020444463 its reverse (36444402022), we get a palindrome (58464846485).

The spelling of 22020444463 in words is "twenty-two billion, twenty million, four hundred forty-four thousand, four hundred sixty-three".