20229789527205 has 8 divisors (see below), whose sum is σ = 32367663243552. Its totient is φ = 10789221081168.

The previous prime is 20229789527201. The next prime is 20229789527243. The reversal of 20229789527205 is 50272598792202.

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

It is not a de Polignac number, because 20229789527205 - 2² = 20229789527201 is a prime.

It is a super-2 number, since 2×20229789527205² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20229789527201) 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, 674326317559 + ... + 674326317588.

It is an arithmetic number, because the mean of its divisors is an integer number (4045957905444).

Almost surely, 2^{20229789527205} is an apocalyptic number.

It is an amenable number.

20229789527205 is a deficient number, since it is larger than the sum of its proper divisors (12137873716347).

20229789527205 is a wasteful number, since it uses less digits than its factorization.

20229789527205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348652635155.

The product of its (nonzero) digits is 25401600, while the sum is 60.

The spelling of 20229789527205 in words is "twenty trillion, two hundred twenty-nine billion, seven hundred eighty-nine million, five hundred twenty-seven thousand, two hundred five".