27291020022 has 24 divisors (see below), whose sum is σ = 67577764176. Its totient is φ = 7797434256.

The previous prime is 27291020017. The next prime is 27291020039. The reversal of 27291020022 is 22002019272.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 108297573 + ... + 108297824.

It is an arithmetic number, because the mean of its divisors is an integer number (2815740174).

Almost surely, 2^27291020022 is an apocalyptic number.

27291020022 is an abundant number, since it is smaller than the sum of its proper divisors (40286744154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27291020022 is a wasteful number, since it uses less digits than its factorization.

27291020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216595412 (or 216595409 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

Adding to 27291020022 its reverse (22002019272), we get a palindrome (49293039294).

The spelling of 27291020022 in words is "twenty-seven billion, two hundred ninety-one million, twenty thousand, twenty-two".