1020430112 has 72 divisors (see below), whose sum is σ = 2290120560. Its totient is φ = 446135040.

The previous prime is 1020430111. The next prime is 1020430129. The reversal of 1020430112 is 2110340201.

It is a super-2 number, since 2×1020430112² = 2082555226952665088, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1020430111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97787 + ... + 107717.

It is an arithmetic number, because the mean of its divisors is an integer number (31807230).

Almost surely, 2^1020430112 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 1020430112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1145060280).

1020430112 is an abundant number, since it is smaller than the sum of its proper divisors (1269690448).

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

1020430112 is a wasteful number, since it uses less digits than its factorization.

1020430112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9986 (or 9965 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 1020430112 is about 31944.1718001892. The cubic root of 1020430112 is about 1006.7641800387.

Adding to 1020430112 its reverse (2110340201), we get a palindrome (3130770313).

The spelling of 1020430112 in words is "one billion, twenty million, four hundred thirty thousand, one hundred twelve".