1920560225 has 6 divisors (see below), whose sum is σ = 2381494710. Its totient is φ = 1536448160.

The previous prime is 1920560219. The next prime is 1920560249. The reversal of 1920560225 is 5220650291.

It can be written as a sum of positive squares in 3 ways, for example, as 106481761 + 1814078464 = 10319^2 + 42592^2 .

It is not a de Polignac number, because 1920560225 - 2⁸ = 1920559969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1920560191 and 1920560200.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38411180 + ... + 38411229.

It is an arithmetic number, because the mean of its divisors is an integer number (396915785).

Almost surely, 2^1920560225 is an apocalyptic number.

It is an amenable number.

1920560225 is a deficient number, since it is larger than the sum of its proper divisors (460934485).

1920560225 is an equidigital number, since it uses as much as digits as its factorization.

1920560225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76822419 (or 76822414 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1920560225 is about 43824.1967981160. The cubic root of 1920560225 is about 1243.0138759962.

The spelling of 1920560225 in words is "one billion, nine hundred twenty million, five hundred sixty thousand, two hundred twenty-five".