1020020104 has 16 divisors (see below), whose sum is σ = 1913487120. Its totient is φ = 509756880.

The previous prime is 1020020083. The next prime is 1020020129. The reversal of 1020020104 is 4010200201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13942 + ... + 47269.

It is an arithmetic number, because the mean of its divisors is an integer number (119592945).

Almost surely, 2^1020020104 is an apocalyptic number.

It is an amenable number.

1020020104 is a deficient number, since it is larger than the sum of its proper divisors (893467016).

1020020104 is a wasteful number, since it uses less digits than its factorization.

1020020104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63300 (or 63296 counting only the distinct ones).

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

The square root of 1020020104 is about 31937.7535841205. The cubic root of 1020020104 is about 1006.6293229621.

Adding to 1020020104 its reverse (4010200201), we get a palindrome (5030220305).

The spelling of 1020020104 in words is "one billion, twenty million, twenty thousand, one hundred four".