20022424660445 has 8 divisors (see below), whose sum is σ = 24239537111736. Its totient is φ = 15876188048896.

The previous prime is 20022424660439. The next prime is 20022424660471. The reversal of 20022424660445 is 54406642422002.

It can be written as a sum of positive squares in 4 ways, for example, as 1749347471641 + 18273077188804 = 1322629^2 + 4274702^2 .

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 20022424660445 - 2⁴ = 20022424660429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17718959312 + ... + 17718960441.

It is an arithmetic number, because the mean of its divisors is an integer number (3029942138967).

Almost surely, 2^{20022424660445} is an apocalyptic number.

It is an amenable number.

20022424660445 is a deficient number, since it is larger than the sum of its proper divisors (4217112451291).

20022424660445 is a wasteful number, since it uses less digits than its factorization.

20022424660445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35437919871.

The product of its (nonzero) digits is 737280, while the sum is 41.

The spelling of 20022424660445 in words is "twenty trillion, twenty-two billion, four hundred twenty-four million, six hundred sixty thousand, four hundred forty-five".