20529295 has 8 divisors (see below), whose sum is σ = 24982560. Its totient is φ = 16191840.

The previous prime is 20529287. The next prime is 20529337. The reversal of 20529295 is 59292502.

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

It is not a de Polignac number, because 20529295 - 2³ = 20529287 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20529295.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 28560 + ... + 29269.

It is an arithmetic number, because the mean of its divisors is an integer number (3122820).

Almost surely, 2^20529295 is an apocalyptic number.

20529295 is a deficient number, since it is larger than the sum of its proper divisors (4453265).

20529295 is an equidigital number, since it uses as much as digits as its factorization.

20529295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57905.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 20529295 is about 4530.9265056940. The cubic root of 20529295 is about 273.8154892906.

The spelling of 20529295 in words is "twenty million, five hundred twenty-nine thousand, two hundred ninety-five".