1020022012 has 24 divisors (see below), whose sum is σ = 1840091904. Its totient is φ = 494484912.

The previous prime is 1020022007. The next prime is 1020022019. The reversal of 1020022012 is 2102200201.

It is a self number, because there is not a number n which added to its sum of digits gives 1020022012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020022019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5238 + ... + 45469.

It is an arithmetic number, because the mean of its divisors is an integer number (76670496).

Almost surely, 2^1020022012 is an apocalyptic number.

It is an amenable number.

1020022012 is a deficient number, since it is larger than the sum of its proper divisors (820069892).

1020022012 is a wasteful number, since it uses less digits than its factorization.

1020022012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50865 (or 50863 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1020022012 is about 31937.7834547108. The cubic root of 1020022012 is about 1006.6299506123.

Adding to 1020022012 its reverse (2102200201), we get a palindrome (3122222213).

The spelling of 1020022012 in words is "one billion, twenty million, twenty-two thousand, twelve".