1020530115 has 48 divisors (see below), whose sum is σ = 1981920096. Its totient is φ = 481420800.

The previous prime is 1020530099. The next prime is 1020530141. The reversal of 1020530115 is 5110350201.

1020530115 is a `hidden beast` number, since 1 + 0 + 20 + 530 + 115 = 666.

1020530115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1020530115 - 2⁴ = 1020530099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9546 + ... + 46175.

It is an arithmetic number, because the mean of its divisors is an integer number (41290002).

Almost surely, 2^1020530115 is an apocalyptic number.

1020530115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1020530115 is a deficient number, since it is larger than the sum of its proper divisors (961389981).

1020530115 is a wasteful number, since it uses less digits than its factorization.

1020530115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55780 (or 55777 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1020530115 is about 31945.7370395488. The cubic root of 1020530115 is about 1006.7970668735.

Adding to 1020530115 its reverse (5110350201), we get a palindrome (6130880316).

It can be divided in two parts, 1020 and 530115, that added together give a palindrome (531135).

The spelling of 1020530115 in words is "one billion, twenty million, five hundred thirty thousand, one hundred fifteen".