20046069 has 16 divisors (see below), whose sum is σ = 30119040. Its totient is φ = 13174560.

The previous prime is 20046053. The next prime is 20046071. The reversal of 20046069 is 96064002.

It is not a de Polignac number, because 20046069 - 2⁴ = 20046053 is a prime.

It is a super-2 number, since 2×20046069² = 803689764705522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046079) 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 15 ways as a sum of consecutive naturals, for example, 3312 + ... + 7145.

It is an arithmetic number, because the mean of its divisors is an integer number (1882440).

Almost surely, 2^20046069 is an apocalyptic number.

It is an amenable number.

20046069 is a deficient number, since it is larger than the sum of its proper divisors (10072971).

20046069 is a wasteful number, since it uses less digits than its factorization.

20046069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10537 (or 10531 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 20046069 is about 4477.2836631154. The cubic root of 20046069 is about 271.6500193462.

The spelling of 20046069 in words is "twenty million, forty-six thousand, sixty-nine".