1020302668 has 48 divisors (see below), whose sum is σ = 2357074944. Its totient is φ = 374135040.

The previous prime is 1020302587. The next prime is 1020302669. The reversal of 1020302668 is 8662030201.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (1020302669) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92196 + ... + 102667.

It is an arithmetic number, because the mean of its divisors is an integer number (49105728).

Almost surely, 2^1020302668 is an apocalyptic number.

It is an amenable number.

1020302668 is an abundant number, since it is smaller than the sum of its proper divisors (1336772276).

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

1020302668 is a wasteful number, since it uses less digits than its factorization.

1020302668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194902 (or 194900 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 1020302668 is about 31942.1769452240. The cubic root of 1020302668 is about 1006.7222658842.

Adding to 1020302668 its reverse (8662030201), we get a palindrome (9682332869).

The spelling of 1020302668 in words is "one billion, twenty million, three hundred two thousand, six hundred sixty-eight".