20132464 has 30 divisors (see below), whose sum is σ = 42879200. Its totient is φ = 9150240.

The previous prime is 20132443. The next prime is 20132479. The reversal of 20132464 is 46423102.

It is a happy number.

It is a super-2 number, since 2×20132464² = 810632213422592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 3264 + ... + 7135.

Almost surely, 2^20132464 is an apocalyptic number.

It is an amenable number.

20132464 is an abundant number, since it is smaller than the sum of its proper divisors (22746736).

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

20132464 is a wasteful number, since it uses less digits than its factorization.

20132464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10429 (or 10412 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 20132464 is about 4486.9214390270. The cubic root of 20132464 is about 272.0397145009.

Adding to 20132464 its reverse (46423102), we get a palindrome (66555566).

The spelling of 20132464 in words is "twenty million, one hundred thirty-two thousand, four hundred sixty-four".