27820252 has 6 divisors (see below), whose sum is σ = 48685448. Its totient is φ = 13910124.

The previous prime is 27820241. The next prime is 27820253. The reversal of 27820252 is 25202872.

It is a self number, because there is not a number n which added to its sum of digits gives 27820252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27820253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3477528 + ... + 3477535.

Almost surely, 2^27820252 is an apocalyptic number.

It is an amenable number.

27820252 is a deficient number, since it is larger than the sum of its proper divisors (20865196).

27820252 is a wasteful number, since it uses less digits than its factorization.

27820252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955067 (or 6955065 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 27820252 is about 5274.4906863128. The cubic root of 27820252 is about 303.0077150965.

It can be divided in two parts, 27820 and 252, that multiplied together give a triangular number (7010640 = T₃₇₄₄).

The spelling of 27820252 in words is "twenty-seven million, eight hundred twenty thousand, two hundred fifty-two".