275108020 has 72 divisors (see below), whose sum is σ = 643507200. Its totient is φ = 98704320.

The previous prime is 275108017. The next prime is 275108027. The reversal of 275108020 is 20801572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275108027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190461 + ... + 191899.

It is an arithmetic number, because the mean of its divisors is an integer number (8937600).

Almost surely, 2^275108020 is an apocalyptic number.

275108020 is a gapful number since it is divisible by the number (20) 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 275108020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321753600).

275108020 is an abundant number, since it is smaller than the sum of its proper divisors (368399180).

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

275108020 is a wasteful number, since it uses less digits than its factorization.

275108020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549 (or 1536 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 275108020 is about 16586.3805575538. The cubic root of 275108020 is about 650.3808576665.

Adding to 275108020 its reverse (20801572), we get a palindrome (295909592).

The spelling of 275108020 in words is "two hundred seventy-five million, one hundred eight thousand, twenty".