20339169 has 8 divisors (see below), whose sum is σ = 27563712. Its totient is φ = 13337040.

The previous prime is 20339167. The next prime is 20339171. The reversal of 20339169 is 96193302.

It is an interprime number because it is at equal distance from previous prime (20339167) and next prime (20339171).

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

It is not a de Polignac number, because 20339169 - 2¹ = 20339167 is a prime.

It is a super-2 number, since 2×20339169² = 827363591221122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20339167) by changing a digit.

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, 55389 + ... + 55754.

It is an arithmetic number, because the mean of its divisors is an integer number (3445464).

Almost surely, 2^20339169 is an apocalyptic number.

It is an amenable number.

20339169 is a deficient number, since it is larger than the sum of its proper divisors (7224543).

20339169 is a wasteful number, since it uses less digits than its factorization.

20339169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111207.

The product of its (nonzero) digits is 8748, while the sum is 33.

The square root of 20339169 is about 4509.8967837413. The cubic root of 20339169 is about 272.9675792384.

The spelling of 20339169 in words is "twenty million, three hundred thirty-nine thousand, one hundred sixty-nine".