27265607220 has 24 divisors (see below), whose sum is σ = 76343700384. Its totient is φ = 7270828576.

The previous prime is 27265607219. The next prime is 27265607261. The reversal of 27265607220 is 2270656272.

It is a super-2 number, since 2×27265607220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227213334 + ... + 227213453.

It is an arithmetic number, because the mean of its divisors is an integer number (3180987516).

Almost surely, 2^27265607220 is an apocalyptic number.

27265607220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27265607220 is an abundant number, since it is smaller than the sum of its proper divisors (49078093164).

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

27265607220 is a wasteful number, since it uses less digits than its factorization.

27265607220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454426799 (or 454426797 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 27265607220 in words is "twenty-seven billion, two hundred sixty-five million, six hundred seven thousand, two hundred twenty".