2752020 has 36 divisors (see below), whose sum is σ = 8348340. Its totient is φ = 733824.

The previous prime is 2752003. The next prime is 2752021. The reversal of 2752020 is 202572.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1354896 + 1397124 = 1164^2 + 1182^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2752020² = 15147228160800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2751984 and 2752002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2752021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7465 + ... + 7824.

2^2752020 is an apocalyptic number.

2752020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2752020 is an abundant number, since it is smaller than the sum of its proper divisors (5596320).

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

2752020 is a wasteful number, since it uses less digits than its factorization.

2752020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15304 (or 15299 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 2752020 is about 1658.9213362905. The cubic root of 2752020 is about 140.1362618912.

Adding to 2752020 its reverse (202572), we get a palindrome (2954592).

The spelling of 2752020 in words is "two million, seven hundred fifty-two thousand, twenty".