20701064 has 16 divisors (see below), whose sum is σ = 39761820. Its totient is φ = 10097920.

The previous prime is 20701039. The next prime is 20701069. The reversal of 20701064 is 46010702.

It can be written as a sum of positive squares in 2 ways, for example, as 15602500 + 5098564 = 3950^2 + 2258^2 .

It is a super-3 number, since 3×20701064³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20701069) 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, 31229 + ... + 31884.

Almost surely, 2^20701064 is an apocalyptic number.

It is an amenable number.

20701064 is a deficient number, since it is larger than the sum of its proper divisors (19060756).

20701064 is a wasteful number, since it uses less digits than its factorization.

20701064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63160 (or 63156 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 20701064 is about 4549.8421950657. The cubic root of 20701064 is about 274.5770423749.

Adding to 20701064 its reverse (46010702), we get a palindrome (66711766).

The spelling of 20701064 in words is "twenty million, seven hundred one thousand, sixty-four".