20700035 has 8 divisors (see below), whose sum is σ = 24929520. Its totient is φ = 16500384.

The previous prime is 20700011. The next prime is 20700037. The reversal of 20700035 is 53000702.

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 20700035 - 2⁸ = 20699779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20699986 and 20700022.

It is not an unprimeable number, because it can be changed into a prime (20700037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5900 + ... + 8729.

It is an arithmetic number, because the mean of its divisors is an integer number (3116190).

Almost surely, 2^20700035 is an apocalyptic number.

20700035 is a deficient number, since it is larger than the sum of its proper divisors (4229485).

20700035 is a wasteful number, since it uses less digits than its factorization.

20700035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14917.

The product of its (nonzero) digits is 210, while the sum is 17.

The square root of 20700035 is about 4549.7291128154. The cubic root of 20700035 is about 274.5724927785.

Adding to 20700035 its reverse (53000702), we get a palindrome (73700737).

The spelling of 20700035 in words is "twenty million, seven hundred thousand, thirty-five".