20529606 has 16 divisors (see below), whose sum is σ = 41105664. Its totient is φ = 6835464.

The previous prime is 20529583. The next prime is 20529629. The reversal of 20529606 is 60692502.

It is an interprime number because it is at equal distance from previous prime (20529583) and next prime (20529629).

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, 6951 + ... + 9453.

It is an arithmetic number, because the mean of its divisors is an integer number (2569104).

Almost surely, 2^20529606 is an apocalyptic number.

20529606 is an abundant number, since it is smaller than the sum of its proper divisors (20576058).

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

20529606 is a wasteful number, since it uses less digits than its factorization.

20529606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 20529606 is about 4530.9608252555. The cubic root of 20529606 is about 273.8168719682.

The spelling of 20529606 in words is "twenty million, five hundred twenty-nine thousand, six hundred six".