100020616 has 16 divisors (see below), whose sum is σ = 187658640. Its totient is φ = 49978320.

The previous prime is 100020551. The next prime is 100020619. The reversal of 100020616 is 616020001.

It is a self number, because there is not a number n which added to its sum of digits gives 100020616.

It is not an unprimeable number, because it can be changed into a prime (100020619) by changing a digit.

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, 14115 + ... + 19981.

It is an arithmetic number, because the mean of its divisors is an integer number (11728665).

Almost surely, 2^100020616 is an apocalyptic number.

It is an amenable number.

100020616 is a deficient number, since it is larger than the sum of its proper divisors (87638024).

100020616 is a wasteful number, since it uses less digits than its factorization.

100020616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8004 (or 8000 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 100020616 is about 10001.0307468780. The cubic root of 100020616 is about 464.1907781680.

Adding to 100020616 its reverse (616020001), we get a palindrome (716040617).

The spelling of 100020616 in words is "one hundred million, twenty thousand, six hundred sixteen".