1020563606 has 12 divisors (see below), whose sum is σ = 1615657932. Its totient is φ = 483424524.

The previous prime is 1020563569. The next prime is 1020563629. The reversal of 1020563606 is 6063650201.

It is a congruent number.

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, 706040 + ... + 707483.

It is an arithmetic number, because the mean of its divisors is an integer number (134638161).

Almost surely, 2^1020563606 is an apocalyptic number.

1020563606 is a deficient number, since it is larger than the sum of its proper divisors (595094326).

1020563606 is a wasteful number, since it uses less digits than its factorization.

1020563606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413563 (or 1413544 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1020563606 is about 31946.2612209942. The cubic root of 1020563606 is about 1006.8080801927.

The spelling of 1020563606 in words is "one billion, twenty million, five hundred sixty-three thousand, six hundred six".