20214608 has 40 divisors (see below), whose sum is σ = 41241408. Its totient is φ = 9580032.

The previous prime is 20214587. The next prime is 20214611. The reversal of 20214608 is 80641202.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 59816 + ... + 60152.

Almost surely, 2^20214608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20214608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20620704).

20214608 is an abundant number, since it is smaller than the sum of its proper divisors (21026800).

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

20214608 is a wasteful number, since it uses less digits than its factorization.

20214608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 525 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 20214608 is about 4496.0658358169. The cubic root of 20214608 is about 272.4092024178.

The spelling of 20214608 in words is "twenty million, two hundred fourteen thousand, six hundred eight".