20252022274447 has 4 divisors (see below), whose sum is σ = 20353791230800. Its totient is φ = 20150253318096.

The previous prime is 20252022274433. The next prime is 20252022274481. The reversal of 20252022274447 is 74447222025202.

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 20252022274447 - 2¹⁵ = 20252022241679 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 (20252022277447) 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, 50884477878 + ... + 50884478275.

It is an arithmetic number, because the mean of its divisors is an integer number (5088447807700).

Almost surely, 2^{20252022274447} is an apocalyptic number.

20252022274447 is a deficient number, since it is larger than the sum of its proper divisors (101768956353).

20252022274447 is a wasteful number, since it uses less digits than its factorization.

20252022274447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101768956352.

The product of its (nonzero) digits is 1003520, while the sum is 43.

Adding to 20252022274447 its reverse (74447222025202), we get a palindrome (94699244299649).

The spelling of 20252022274447 in words is "twenty trillion, two hundred fifty-two billion, twenty-two million, two hundred seventy-four thousand, four hundred forty-seven".