27401020 has 12 divisors (see below), whose sum is σ = 57542184. Its totient is φ = 10960400.

The previous prime is 27401009. The next prime is 27401041. The reversal of 27401020 is 2010472.

It is a super-3 number, since 3×27401020³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27400985 and 27401003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 685006 + ... + 685045.

It is an arithmetic number, because the mean of its divisors is an integer number (4795182).

Almost surely, 2^27401020 is an apocalyptic number.

27401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27401020 is an abundant number, since it is smaller than the sum of its proper divisors (30141164).

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

27401020 is a wasteful number, since it uses less digits than its factorization.

27401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370060 (or 1370058 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 27401020 is about 5234.5983609060. The cubic root of 27401020 is about 301.4779660235.

Adding to 27401020 its reverse (2010472), we get a palindrome (29411492).

The spelling of 27401020 in words is "twenty-seven million, four hundred one thousand, twenty".