1020314442 has 64 divisors (see below), whose sum is σ = 2402426880. Its totient is φ = 282782016.

The previous prime is 1020314419. The next prime is 1020314461. The reversal of 1020314442 is 2444130201.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 650343 + ... + 651909.

It is an arithmetic number, because the mean of its divisors is an integer number (37537920).

Almost surely, 2^1020314442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020314442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1201213440).

1020314442 is an abundant number, since it is smaller than the sum of its proper divisors (1382112438).

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

1020314442 is a wasteful number, since it uses less digits than its factorization.

1020314442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1020314442 is about 31942.3612464702. The cubic root of 1020314442 is about 1006.7261382980.

Adding to 1020314442 its reverse (2444130201), we get a palindrome (3464444643).

The spelling of 1020314442 in words is "one billion, twenty million, three hundred fourteen thousand, four hundred forty-two".