20050616 has 32 divisors (see below), whose sum is σ = 40014000. Its totient is φ = 9386496.

The previous prime is 20050609. The next prime is 20050631. The reversal of 20050616 is 61605002.

It is a super-3 number, since 3×20050616³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 51350 + ... + 51738.

Almost surely, 2^20050616 is an apocalyptic number.

It is an amenable number.

20050616 is a deficient number, since it is larger than the sum of its proper divisors (19963384).

20050616 is a wasteful number, since it uses less digits than its factorization.

20050616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 20050616 is about 4477.7914198855. The cubic root of 20050616 is about 271.6705570263.

Adding to 20050616 its reverse (61605002), we get a palindrome (81655618).

The spelling of 20050616 in words is "twenty million, fifty thousand, six hundred sixteen".