27020028 has 48 divisors (see below), whose sum is σ = 73144064. Its totient is φ = 7603200.

The previous prime is 27020023. The next prime is 27020111. The reversal of 27020028 is 82002072.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 27019986 and 27020013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27020023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3228 + ... + 8028.

Almost surely, 2^27020028 is an apocalyptic number.

27020028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27020028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36572032).

27020028 is an abundant number, since it is smaller than the sum of its proper divisors (46124036).

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

27020028 is a wasteful number, since it uses less digits than its factorization.

27020028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4882 (or 4880 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 27020028 is about 5198.0792606500. The cubic root of 27020028 is about 300.0741594442.

The spelling of 27020028 in words is "twenty-seven million, twenty thousand, twenty-eight".