20413234 has 8 divisors (see below), whose sum is σ = 30718620. Its totient is φ = 10173696.

The previous prime is 20413231. The next prime is 20413247. The reversal of 20413234 is 43231402.

It can be written as a sum of positive squares in 2 ways, for example, as 18966025 + 1447209 = 4355^2 + 1203^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20413231) 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, 15679 + ... + 16930.

Almost surely, 2^20413234 is an apocalyptic number.

20413234 is a deficient number, since it is larger than the sum of its proper divisors (10305386).

20413234 is a wasteful number, since it uses less digits than its factorization.

20413234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32924.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20413234 is about 4518.1007071556. The cubic root of 20413234 is about 273.2985146341.

Adding to 20413234 its reverse (43231402), we get a palindrome (63644636).

The spelling of 20413234 in words is "twenty million, four hundred thirteen thousand, two hundred thirty-four".