20701013 has 8 divisors (see below), whose sum is σ = 21959520. Its totient is φ = 19459440.

The previous prime is 20701001. The next prime is 20701027. The reversal of 20701013 is 31010702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20701013 - 2⁶ = 20700949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 6647.

It is an arithmetic number, because the mean of its divisors is an integer number (2744940).

Almost surely, 2^20701013 is an apocalyptic number.

It is an amenable number.

20701013 is a deficient number, since it is larger than the sum of its proper divisors (1258507).

20701013 is a wasteful number, since it uses less digits than its factorization.

20701013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467.

The product of its (nonzero) digits is 42, while the sum is 14.

The square root of 20701013 is about 4549.8365904722. The cubic root of 20701013 is about 274.5768168883.

Adding to 20701013 its reverse (31010702), we get a palindrome (51711715).

The spelling of 20701013 in words is "twenty million, seven hundred one thousand, thirteen".