20069369 has 4 divisors (see below), whose sum is σ = 20716800. Its totient is φ = 19421940.

The previous prime is 20069359. The next prime is 20069383. The reversal of 20069369 is 96396002.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 20069369 - 2⁴ = 20069353 is a prime.

It is a super-2 number, since 2×20069369² = 805559144116322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20069359) 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, 323669 + ... + 323730.

It is an arithmetic number, because the mean of its divisors is an integer number (5179200).

Almost surely, 2^20069369 is an apocalyptic number.

It is an amenable number.

20069369 is a deficient number, since it is larger than the sum of its proper divisors (647431).

20069369 is an equidigital number, since it uses as much as digits as its factorization.

20069369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647430.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 20069369 is about 4479.8849315580. The cubic root of 20069369 is about 271.7552269182.

The spelling of 20069369 in words is "twenty million, sixty-nine thousand, three hundred sixty-nine".