20412073 has 8 divisors (see below), whose sum is σ = 22359456. Its totient is φ = 18480000.

The previous prime is 20412071. The next prime is 20412079. The reversal of 20412073 is 37021402.

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

It is not a de Polignac number, because 20412073 - 2¹ = 20412071 is a prime.

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 20412073.

It is not an unprimeable number, because it can be changed into a prime (20412071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 936 + ... + 6457.

It is an arithmetic number, because the mean of its divisors is an integer number (2794932).

Almost surely, 2^20412073 is an apocalyptic number.

It is an amenable number.

20412073 is a deficient number, since it is larger than the sum of its proper divisors (1947383).

20412073 is a wasteful number, since it uses less digits than its factorization.

20412073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7655.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 20412073 is about 4517.9722221368. The cubic root of 20412073 is about 273.2933332635.

Adding to 20412073 its reverse (37021402), we get a palindrome (57433475).

It can be divided in two parts, 2041207 and 3, that added together give a triangular number (2041210 = T₂₀₂₀).

The spelling of 20412073 in words is "twenty million, four hundred twelve thousand, seventy-three".