1020613560 has 32 divisors (see below), whose sum is σ = 3061841040. Its totient is φ = 272163584.

The previous prime is 1020613553. The next prime is 1020613591. The reversal of 1020613560 is 653160201.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1020613560.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4252437 + ... + 4252676.

Almost surely, 2^1020613560 is an apocalyptic number.

1020613560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020613560 is an abundant number, since it is smaller than the sum of its proper divisors (2041227480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1020613560 is a wasteful number, since it uses less digits than its factorization.

1020613560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8505127 (or 8505123 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 1020613560 is about 31947.0430556570. The cubic root of 1020613560 is about 1006.8245068253.

Adding to 1020613560 its reverse (653160201), we get a palindrome (1673773761).

The spelling of 1020613560 in words is "one billion, twenty million, six hundred thirteen thousand, five hundred sixty".