27022020 has 24 divisors (see below), whose sum is σ = 75661824. Its totient is φ = 7205856.

The previous prime is 27022007. The next prime is 27022043. The reversal of 27022020 is 2022072.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225124 + ... + 225243.

It is an arithmetic number, because the mean of its divisors is an integer number (3152576).

Almost surely, 2^27022020 is an apocalyptic number.

27022020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27022020 is an abundant number, since it is smaller than the sum of its proper divisors (48639804).

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

27022020 is a wasteful number, since it uses less digits than its factorization.

27022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450379 (or 450377 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 15.

The square root of 27022020 is about 5198.2708663555. The cubic root of 27022020 is about 300.0815333946.

Adding to 27022020 its reverse (2022072), we get a palindrome (29044092).

The spelling of 27022020 in words is "twenty-seven million, twenty-two thousand, twenty".