20034464 has 24 divisors (see below), whose sum is σ = 40511268. Its totient is φ = 9745920.

The previous prime is 20034451. The next prime is 20034491. The reversal of 20034464 is 46443002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17808400 + 2226064 = 4220^2 + 1492^2 .

It is an unprimeable number.

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, 7277 + ... + 9644.

Almost surely, 2^20034464 is an apocalyptic number.

It is an amenable number.

20034464 is an abundant number, since it is smaller than the sum of its proper divisors (20476804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20034464 is a wasteful number, since it uses less digits than its factorization.

20034464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16968 (or 16960 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 20034464 is about 4475.9874888118. The cubic root of 20034464 is about 271.5975883348.

Adding to 20034464 its reverse (46443002), we get a palindrome (66477466).

The spelling of 20034464 in words is "twenty million, thirty-four thousand, four hundred sixty-four".