20482872 has 32 divisors (see below), whose sum is σ = 51321600. Its totient is φ = 6812384.

The previous prime is 20482859. The next prime is 20482873. The reversal of 20482872 is 27828402.

It is a super-3 number, since 3×20482872³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20482873) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 16663 + ... + 17849.

It is an arithmetic number, because the mean of its divisors is an integer number (1603800).

Almost surely, 2^20482872 is an apocalyptic number.

It is an amenable number.

20482872 is an abundant number, since it is smaller than the sum of its proper divisors (30838728).

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

20482872 is a wasteful number, since it uses less digits than its factorization.

20482872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1911 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 20482872 is about 4525.8007026382. The cubic root of 20482872 is about 273.6089400656.

The spelling of 20482872 in words is "twenty million, four hundred eighty-two thousand, eight hundred seventy-two".