1020202868 has 12 divisors (see below), whose sum is σ = 1823341632. Its totient is φ = 499248120.

The previous prime is 1020202837. The next prime is 1020202873. The reversal of 1020202868 is 8682020201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020202868.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713118 + ... + 2713493.

It is an arithmetic number, because the mean of its divisors is an integer number (151945136).

Almost surely, 2^1020202868 is an apocalyptic number.

It is an amenable number.

1020202868 is a deficient number, since it is larger than the sum of its proper divisors (803138764).

1020202868 is a wasteful number, since it uses less digits than its factorization.

1020202868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426662 (or 5426660 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 1020202868 is about 31940.6147091755. The cubic root of 1020202868 is about 1006.6894409323.

The spelling of 1020202868 in words is "one billion, twenty million, two hundred two thousand, eight hundred sixty-eight".