2730020 has 12 divisors (see below), whose sum is σ = 5733084. Its totient is φ = 1092000.

The previous prime is 2730017. The next prime is 2730041. The reversal of 2730020 is 200372.

It can be written as a sum of positive squares in 2 ways, for example, as 702244 + 2027776 = 838^2 + 1424^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2729977 and 2730004.

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, 68231 + ... + 68270.

It is an arithmetic number, because the mean of its divisors is an integer number (477757).

2^2730020 is an apocalyptic number.

2730020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2730020 is an abundant number, since it is smaller than the sum of its proper divisors (3003064).

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

2730020 is a wasteful number, since it uses less digits than its factorization.

2730020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136510 (or 136508 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 14.

The square root of 2730020 is about 1652.2772164501. The cubic root of 2730020 is about 139.7618399835.

Adding to 2730020 its reverse (200372), we get a palindrome (2930392).

The spelling of 2730020 in words is "two million, seven hundred thirty thousand, twenty".