1020022008 has 32 divisors (see below), whose sum is σ = 2554334160. Its totient is φ = 339436800.

The previous prime is 1020022007. The next prime is 1020022019. The reversal of 1020022008 is 8002200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022001) 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, 20935 + ... + 49782.

Almost surely, 2^1020022008 is an apocalyptic number.

It is an amenable number.

1020022008 is an abundant number, since it is smaller than the sum of its proper divisors (1534312152).

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

1020022008 is a wasteful number, since it uses less digits than its factorization.

1020022008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71327 (or 71323 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1020022008 is about 31937.7833920891. The cubic root of 1020022008 is about 1006.6299492965.

Adding to 1020022008 its reverse (8002200201), we get a palindrome (9022222209).

The spelling of 1020022008 in words is "one billion, twenty million, twenty-two thousand, eight".