20482464 has 24 divisors (see below), whose sum is σ = 53766720. Its totient is φ = 6827456.

The previous prime is 20482463. The next prime is 20482481. The reversal of 20482464 is 46428402.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×20482464² = 839062663022592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482463) 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, 106584 + ... + 106775.

It is an arithmetic number, because the mean of its divisors is an integer number (2240280).

Almost surely, 2^20482464 is an apocalyptic number.

20482464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20482464 is an abundant number, since it is smaller than the sum of its proper divisors (33284256).

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

20482464 is a wasteful number, since it uses less digits than its factorization.

20482464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213372 (or 213364 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 20482464 is about 4525.7556275168. The cubic root of 20482464 is about 273.6071233739.

The spelling of 20482464 in words is "twenty million, four hundred eighty-two thousand, four hundred sixty-four".