7020820025 has 6 divisors (see below), whose sum is σ = 8705816862. Its totient is φ = 5616656000.

The previous prime is 7020820013. The next prime is 7020820031. The reversal of 7020820025 is 5200280207.

7020820025 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 307967401 + 6712852624 = 17549^2 + 81932^2 .

It is not a de Polignac number, because 7020820025 - 2³⁰ = 5947078201 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7020819976 and 7020820003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 140416376 + ... + 140416425.

It is an arithmetic number, because the mean of its divisors is an integer number (1450969477).

Almost surely, 2^7020820025 is an apocalyptic number.

It is an amenable number.

7020820025 is a deficient number, since it is larger than the sum of its proper divisors (1684996837).

7020820025 is a wasteful number, since it uses less digits than its factorization.

7020820025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280832811 (or 280832806 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7020820025 is about 83790.3337205432. Note that the first 3 decimals coincide. The cubic root of 7020820025 is about 1914.8258424971.

The spelling of 7020820025 in words is "seven billion, twenty million, eight hundred twenty thousand, twenty-five".