20095464 has 64 divisors (see below), whose sum is σ = 53452800. Its totient is φ = 6277824.

The previous prime is 20095447. The next prime is 20095489. The reversal of 20095464 is 46459002.

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 15 ways as a sum of consecutive naturals, for example, 57739 + ... + 58085.

It is an arithmetic number, because the mean of its divisors is an integer number (835200).

Almost surely, 2^20095464 is an apocalyptic number.

20095464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20095464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26726400).

20095464 is an abundant number, since it is smaller than the sum of its proper divisors (33357336).

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

20095464 is a wasteful number, since it uses less digits than its factorization.

20095464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 498 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 20095464 is about 4482.7964486468. The cubic root of 20095464 is about 271.8729582619.

The spelling of 20095464 in words is "twenty million, ninety-five thousand, four hundred sixty-four".