1560206420 has 24 divisors (see below), whose sum is σ = 3293595648. Its totient is φ = 620813600.

The previous prime is 1560206419. The next prime is 1560206437. The reversal of 1560206420 is 246020651.

It is a self number, because there is not a number n which added to its sum of digits gives 1560206420.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200396 + ... + 208035.

It is an arithmetic number, because the mean of its divisors is an integer number (137233152).

Almost surely, 2^1560206420 is an apocalyptic number.

1560206420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1560206420 is an abundant number, since it is smaller than the sum of its proper divisors (1733389228).

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

1560206420 is a wasteful number, since it uses less digits than its factorization.

1560206420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408631 (or 408629 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 1560206420 is about 39499.4483505783. The cubic root of 1560206420 is about 1159.8291514136.

The spelling of 1560206420 in words is "one billion, five hundred sixty million, two hundred six thousand, four hundred twenty".