1020200616 has 64 divisors (see below), whose sum is σ = 2853000000. Its totient is φ = 337773888.

The previous prime is 1020200579. The next prime is 1020200677. The reversal of 1020200616 is 6160020201.

It is a happy number.

1020200616 is a `hidden beast` number, since 10 + 20 + 20 + 0 + 616 = 666.

1020200616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16335 + ... + 48033.

It is an arithmetic number, because the mean of its divisors is an integer number (44578125).

Almost surely, 2^1020200616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020200616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1426500000).

1020200616 is an abundant number, since it is smaller than the sum of its proper divisors (1832799384).

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

1020200616 is a wasteful number, since it uses less digits than its factorization.

1020200616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31863 (or 31853 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1020200616 is about 31940.5794562340. The cubic root of 1020200616 is about 1006.6887002083.

Adding to 1020200616 its reverse (6160020201), we get a palindrome (7180220817).

The spelling of 1020200616 in words is "one billion, twenty million, two hundred thousand, six hundred sixteen".