273513020 has 96 divisors (see below), whose sum is σ = 646833600. Its totient is φ = 96307200.

The previous prime is 273513011. The next prime is 273513029. The reversal of 273513020 is 20315372.

It is an interprime number because it is at equal distance from previous prime (273513011) and next prime (273513029).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273513029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1194266 + ... + 1194494.

It is an arithmetic number, because the mean of its divisors is an integer number (6737850).

Almost surely, 2^273513020 is an apocalyptic number.

273513020 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 273513020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323416800).

273513020 is an abundant number, since it is smaller than the sum of its proper divisors (373320580).

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

273513020 is a wasteful number, since it uses less digits than its factorization.

273513020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 273513020 is about 16538.2290466664. The cubic root of 273513020 is about 649.1215114642.

Adding to 273513020 its reverse (20315372), we get a palindrome (293828392).

The spelling of 273513020 in words is "two hundred seventy-three million, five hundred thirteen thousand, twenty".