1020530159 has 16 divisors (see below), whose sum is σ = 1137071520. Its totient is φ = 908160000.

The previous prime is 1020530149. The next prime is 1020530167. The reversal of 1020530159 is 9510350201.

It is not a de Polignac number, because 1020530159 - 2⁴ = 1020530143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020530149) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93719 + ... + 104039.

It is an arithmetic number, because the mean of its divisors is an integer number (71066970).

Almost surely, 2^1020530159 is an apocalyptic number.

1020530159 is a deficient number, since it is larger than the sum of its proper divisors (116541361).

1020530159 is a wasteful number, since it uses less digits than its factorization.

1020530159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10522.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 1020530159 is about 31945.7377282166. The cubic root of 1020530159 is about 1006.7970813428.

The spelling of 1020530159 in words is "one billion, twenty million, five hundred thirty thousand, one hundred fifty-nine".