1022020012 has 12 divisors (see below), whose sum is σ = 1926114736. Its totient is φ = 471701520.

The previous prime is 1022020009. The next prime is 1022020037. The reversal of 1022020012 is 2100202201.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9827064 + ... + 9827167.

Almost surely, 2^1022020012 is an apocalyptic number.

It is an amenable number.

1022020012 is a deficient number, since it is larger than the sum of its proper divisors (904094724).

1022020012 is a wasteful number, since it uses less digits than its factorization.

1022020012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19654248 (or 19654246 counting only the distinct ones).

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

The square root of 1022020012 is about 31969.0477180663. The cubic root of 1022020012 is about 1007.2867778988.

Adding to 1022020012 its reverse (2100202201), we get a palindrome (3122222213).

The spelling of 1022020012 in words is "one billion, twenty-two million, twenty thousand, twelve".