27213020252 has 12 divisors (see below), whose sum is σ = 51952129656. Its totient is φ = 12369554640.

The previous prime is 27213020251. The next prime is 27213020293. The reversal of 27213020252 is 25202031272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27213020251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 309238823 + ... + 309238910.

It is an arithmetic number, because the mean of its divisors is an integer number (4329344138).

Almost surely, 2^27213020252 is an apocalyptic number.

27213020252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

27213020252 is a deficient number, since it is larger than the sum of its proper divisors (24739109404).

27213020252 is a wasteful number, since it uses less digits than its factorization.

27213020252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618477748 (or 618477746 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 27213020252 in words is "twenty-seven billion, two hundred thirteen million, twenty thousand, two hundred fifty-two".