1020315436 has 36 divisors (see below), whose sum is σ = 2083096008. Its totient is φ = 436009728.

The previous prime is 1020315353. The next prime is 1020315449. The reversal of 1020315436 is 6345130201.

1020315436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1020315436.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61815 + ... + 76561.

It is an arithmetic number, because the mean of its divisors is an integer number (57863778).

Almost surely, 2^1020315436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020315436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1041548004).

1020315436 is an abundant number, since it is smaller than the sum of its proper divisors (1062780572).

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

1020315436 is a wasteful number, since it uses less digits than its factorization.

1020315436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15118 (or 15109 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1020315436 is about 31942.3768057419. The cubic root of 1020315436 is about 1006.7264652186.

Adding to 1020315436 its reverse (6345130201), we get a palindrome (7365445637).

The spelling of 1020315436 in words is "one billion, twenty million, three hundred fifteen thousand, four hundred thirty-six".