1020563701 has 8 divisors (see below), whose sum is σ = 1080871520. Its totient is φ = 960915312.

The previous prime is 1020563693. The next prime is 1020563743. The reversal of 1020563701 is 1073650201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020563701 - 2³ = 1020563693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020563101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161670 + ... + 167863.

It is an arithmetic number, because the mean of its divisors is an integer number (135108940).

Almost surely, 2^1020563701 is an apocalyptic number.

It is an amenable number.

1020563701 is a deficient number, since it is larger than the sum of its proper divisors (60307819).

1020563701 is a wasteful number, since it uses less digits than its factorization.

1020563701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329715.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 1020563701 is about 31946.2627078662. The cubic root of 1020563701 is about 1006.8081114325.

The spelling of 1020563701 in words is "one billion, twenty million, five hundred sixty-three thousand, seven hundred one".