20607016 has 8 divisors (see below), whose sum is σ = 38638170. Its totient is φ = 10303504.

The previous prime is 20607007. The next prime is 20607029. The reversal of 20607016 is 61070602.

It can be written as a sum of positive squares in only one way, i.e., 15634116 + 4972900 = 3954^2 + 2230^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1287931 + ... + 1287946.

Almost surely, 2^20607016 is an apocalyptic number.

It is an amenable number.

20607016 is a deficient number, since it is larger than the sum of its proper divisors (18031154).

20607016 is a wasteful number, since it uses less digits than its factorization.

20607016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2575883 (or 2575879 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 20607016 is about 4539.4951261126. The cubic root of 20607016 is about 274.1605963535.

Adding to 20607016 its reverse (61070602), we get a palindrome (81677618).

The spelling of 20607016 in words is "twenty million, six hundred seven thousand, sixteen".