1420660564 has 12 divisors (see below), whose sum is σ = 2486838004. Its totient is φ = 710135424.

The previous prime is 1420660559. The next prime is 1420660589. The reversal of 1420660564 is 4650660241.

It can be written as a sum of positive squares in 2 ways, for example, as 1008570564 + 412090000 = 31758^2 + 20300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31647 + ... + 61990.

Almost surely, 2^1420660564 is an apocalyptic number.

It is an amenable number.

1420660564 is a deficient number, since it is larger than the sum of its proper divisors (1066177440).

1420660564 is a wasteful number, since it uses less digits than its factorization.

1420660564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97434 (or 97432 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1420660564 is about 37691.6511179863. The cubic root of 1420660564 is about 1124.1651258355.

The spelling of 1420660564 in words is "one billion, four hundred twenty million, six hundred sixty thousand, five hundred sixty-four".