20484527 has 32 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 15579648.

The previous prime is 20484523. The next prime is 20484533. The reversal of 20484527 is 72548402.

It is not a de Polignac number, because 20484527 - 2² = 20484523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20484493 and 20484502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20484523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 181223 + ... + 181335.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^20484527 is an apocalyptic number.

20484527 is a deficient number, since it is larger than the sum of its proper divisors (5781073).

20484527 is a wasteful number, since it uses less digits than its factorization.

20484527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215.

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 20484527 is about 4525.9835395193. The cubic root of 20484527 is about 273.6163089964.

The spelling of 20484527 in words is "twenty million, four hundred eighty-four thousand, five hundred twenty-seven".