20002069 has 4 divisors (see below), whose sum is σ = 20034400. Its totient is φ = 19969740.

The previous prime is 20002067. The next prime is 20002097. The reversal of 20002069 is 96020002.

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 20002069 - 2¹ = 20002067 is a prime.

It is a super-2 number, since 2×20002069² = 800165528561522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15219 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (5008600).

Almost surely, 2^20002069 is an apocalyptic number.

It is an amenable number.

20002069 is a deficient number, since it is larger than the sum of its proper divisors (32331).

20002069 is an equidigital number, since it uses as much as digits as its factorization.

20002069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32330.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 20002069 is about 4472.3672702496. The cubic root of 20002069 is about 271.4511215535.

The spelling of 20002069 in words is "twenty million, two thousand, sixty-nine".