7020520 has 64 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 2475264.

The previous prime is 7020511. The next prime is 7020529. The reversal of 7020520 is 250207.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7020511) and next prime (7020529).

It is a junction number, because it is equal to n+sod(n) for n = 7020494 and 7020503.

It is not an unprimeable number, because it can be changed into a prime (7020529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11667 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

Almost surely, 2^7020520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7020520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8890560).

7020520 is an abundant number, since it is smaller than the sum of its proper divisors (10760600).

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

7020520 is a wasteful number, since it uses less digits than its factorization.

7020520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 630 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 16.

The square root of 7020520 is about 2649.6263887575. The cubic root of 7020520 is about 191.4798566300.

Adding to 7020520 its reverse (250207), we get a palindrome (7270727).

It can be divided in two parts, 70205 and 20, that added together give a square (70225 = 265²).

The spelling of 7020520 in words is "seven million, twenty thousand, five hundred twenty".