20214152 has 32 divisors (see below), whose sum is σ = 43848000. Its totient is φ = 8556864.

The previous prime is 20214149. The next prime is 20214163. The reversal of 20214152 is 25141202.

It is a super-2 number, since 2×20214152² = 817223882158208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20214152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2474 + ... + 6822.

It is an arithmetic number, because the mean of its divisors is an integer number (1370250).

Almost surely, 2^20214152 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 20214152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21924000).

20214152 is an abundant number, since it is smaller than the sum of its proper divisors (23633848).

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

20214152 is a wasteful number, since it uses less digits than its factorization.

20214152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4441 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20214152 is about 4496.0151245297. The cubic root of 20214152 is about 272.4071540719.

Adding to 20214152 its reverse (25141202), we get a palindrome (45355354).

The spelling of 20214152 in words is "twenty million, two hundred fourteen thousand, one hundred fifty-two".