20601006 has 16 divisors (see below), whose sum is σ = 41250000. Its totient is φ = 6859008.

The previous prime is 20600977. The next prime is 20601023. The reversal of 20601006 is 60010602.

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, 6120 + ... + 8868.

It is an arithmetic number, because the mean of its divisors is an integer number (2578125).

Almost surely, 2^20601006 is an apocalyptic number.

20601006 is an abundant number, since it is smaller than the sum of its proper divisors (20648994).

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

20601006 is a wasteful number, since it uses less digits than its factorization.

20601006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4003.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 20601006 is about 4538.8331099524. The cubic root of 20601006 is about 274.1339409433.

Adding to 20601006 its reverse (60010602), we get a palindrome (80611608).

The spelling of 20601006 in words is "twenty million, six hundred one thousand, six".