20022744014645 has 8 divisors (see below), whose sum is σ = 24251846956704. Its totient is φ = 15868492452304.

The previous prime is 20022744014641. The next prime is 20022744014681. The reversal of 20022744014645 is 54641044722002.

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 20022744014645 - 2² = 20022744014641 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 (20022744014641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18712844339 + ... + 18712845408.

It is an arithmetic number, because the mean of its divisors is an integer number (3031480869588).

Almost surely, 2^{20022744014645} is an apocalyptic number.

It is an amenable number.

20022744014645 is a deficient number, since it is larger than the sum of its proper divisors (4229102942059).

20022744014645 is a wasteful number, since it uses less digits than its factorization.

20022744014645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37425689859.

The product of its (nonzero) digits is 430080, while the sum is 41.

Adding to 20022744014645 its reverse (54641044722002), we get a palindrome (74663788736647).

The spelling of 20022744014645 in words is "twenty trillion, twenty-two billion, seven hundred forty-four million, fourteen thousand, six hundred forty-five".