20606016 has 28 divisors (see below), whose sum is σ = 54520592. Its totient is φ = 6868608.

The previous prime is 20606009. The next prime is 20606017. The reversal of 20606016 is 61060602.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20605983 and 20606001.

It is not an unprimeable number, because it can be changed into a prime (20606017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53470 + ... + 53853.

It is an arithmetic number, because the mean of its divisors is an integer number (1947164).

Almost surely, 2^20606016 is an apocalyptic number.

It is an amenable number.

20606016 is an abundant number, since it is smaller than the sum of its proper divisors (33914576).

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

20606016 is a wasteful number, since it uses less digits than its factorization.

20606016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107338 (or 107328 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 20606016 is about 4539.3849803690. The cubic root of 20606016 is about 274.1561615365.

Adding to 20606016 its reverse (61060602), we get a palindrome (81666618).

The spelling of 20606016 in words is "twenty million, six hundred six thousand, sixteen".