20680302 has 8 divisors (see below), whose sum is σ = 41360616. Its totient is φ = 6893432.

The previous prime is 20680271. The next prime is 20680333. The reversal of 20680302 is 20308602.

It is an interprime number because it is at equal distance from previous prime (20680271) and next prime (20680333).

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

20680302 is an admirable number.

It is a super-3 number, since 3×20680302³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1723353 + ... + 1723364.

It is an arithmetic number, because the mean of its divisors is an integer number (5170077).

Almost surely, 2^20680302 is an apocalyptic number.

20680302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20680302 is a wasteful number, since it uses less digits than its factorization.

20680302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3446722.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 20680302 is about 4547.5600051016. The cubic root of 20680302 is about 274.4852165721.

Adding to 20680302 its reverse (20308602), we get a palindrome (40988904).

It can be divided in two parts, 206 and 80302, that added together give a palindrome (80508).

The spelling of 20680302 in words is "twenty million, six hundred eighty thousand, three hundred two".