20473069 has 8 divisors (see below), whose sum is σ = 20847872. Its totient is φ = 20100960.

The previous prime is 20473067. The next prime is 20473081. The reversal of 20473069 is 96037402.

20473069 = T₂₃₀ + T₂₃₁ + ... + T₅₁₂.

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

It is a cyclic number.

It is not a de Polignac number, because 20473069 - 2¹ = 20473067 is a prime.

It is a super-2 number, since 2×20473069² = 838293108557522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20473069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20473067) 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, 20164 + ... + 21154.

It is an arithmetic number, because the mean of its divisors is an integer number (2605984).

Almost surely, 2^20473069 is an apocalyptic number.

It is an amenable number.

20473069 is a deficient number, since it is larger than the sum of its proper divisors (374803).

20473069 is an equidigital number, since it uses as much as digits as its factorization.

20473069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 20473069 is about 4524.7175602462. The cubic root of 20473069 is about 273.5652838106.

The spelling of 20473069 in words is "twenty million, four hundred seventy-three thousand, sixty-nine".