20614530 has 16 divisors (see below), whose sum is σ = 49474944. Its totient is φ = 5497200.

The previous prime is 20614511. The next prime is 20614547. The reversal of 20614530 is 3541602.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20614497 and 20614506.

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, 343546 + ... + 343605.

It is an arithmetic number, because the mean of its divisors is an integer number (3092184).

Almost surely, 2^20614530 is an apocalyptic number.

20614530 is an abundant number, since it is smaller than the sum of its proper divisors (28860414).

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

20614530 is a wasteful number, since it uses less digits than its factorization.

20614530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687161.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 20614530 is about 4540.3226757577. The cubic root of 20614530 is about 274.1939149796.

The spelling of 20614530 in words is "twenty million, six hundred fourteen thousand, five hundred thirty".