20612116 has 12 divisors (see below), whose sum is σ = 41224288. Its totient is φ = 8833752.

The previous prime is 20612101. The next prime is 20612129. The reversal of 20612116 is 61121602.

20612116 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 20612093 and 20612102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368046 + ... + 368101.

Almost surely, 2^20612116 is an apocalyptic number.

It is an amenable number.

20612116 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20612116 is a wasteful number, since it uses less digits than its factorization.

20612116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736158 (or 736156 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 20612116 is about 4540.0568278382. The cubic root of 20612116 is about 274.1832116885.

Adding to 20612116 its reverse (61121602), we get a palindrome (81733718).

The spelling of 20612116 in words is "twenty million, six hundred twelve thousand, one hundred sixteen".