1020313120 has 48 divisors (see below), whose sum is σ = 2515302720. Its totient is φ = 390379264.

The previous prime is 1020313093. The next prime is 1020313121. The reversal of 1020313120 is 213130201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020313120.

It is not an unprimeable number, because it can be changed into a prime (1020313121) 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, 134950 + ... + 142309.

It is an arithmetic number, because the mean of its divisors is an integer number (52402140).

Almost surely, 2^1020313120 is an apocalyptic number.

1020313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020313120 is an abundant number, since it is smaller than the sum of its proper divisors (1494989600).

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

1020313120 is a wasteful number, since it uses less digits than its factorization.

1020313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277297 (or 277289 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1020313120 is about 31942.3405529401. The cubic root of 1020313120 is about 1006.7257034998.

Adding to 1020313120 its reverse (213130201), we get a palindrome (1233443321).

The spelling of 1020313120 in words is "one billion, twenty million, three hundred thirteen thousand, one hundred twenty".