20482451 has 8 divisors (see below), whose sum is σ = 22430208. Its totient is φ = 18549000.

The previous prime is 20482391. The next prime is 20482463. The reversal of 20482451 is 15428402.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20482451 - 2⁶ = 20482387 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20482451.

It is not an unprimeable number, because it can be changed into a prime (20482481) 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, 455 + ... + 6416.

It is an arithmetic number, because the mean of its divisors is an integer number (2803776).

Almost surely, 2^20482451 is an apocalyptic number.

20482451 is a deficient number, since it is larger than the sum of its proper divisors (1947757).

20482451 is a wasteful number, since it uses less digits than its factorization.

20482451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7153.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20482451 is about 4525.7541912923. The cubic root of 20482451 is about 273.6070654887.

The spelling of 20482451 in words is "twenty million, four hundred eighty-two thousand, four hundred fifty-one".