20606030 has 32 divisors (see below), whose sum is σ = 38310624. Its totient is φ = 7975296.

The previous prime is 20606017. The next prime is 20606063. The reversal of 20606030 is 3060602.

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 15 ways as a sum of consecutive naturals, for example, 74252 + ... + 74528.

It is an arithmetic number, because the mean of its divisors is an integer number (1197207).

Almost surely, 2^20606030 is an apocalyptic number.

20606030 is a deficient number, since it is larger than the sum of its proper divisors (17704594).

20606030 is a wasteful number, since it uses less digits than its factorization.

20606030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 20606030 is about 4539.3865224279. The cubic root of 20606030 is about 274.1562236250.

Adding to 20606030 its reverse (3060602), we get a palindrome (23666632).

The spelling of 20606030 in words is "twenty million, six hundred six thousand, thirty".