20214452 has 6 divisors (see below), whose sum is σ = 35375298. Its totient is φ = 10107224.

The previous prime is 20214451. The next prime is 20214497. The reversal of 20214452 is 25441202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17673616 + 2540836 = 4204^2 + 1594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20214451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2526803 + ... + 2526810.

It is an arithmetic number, because the mean of its divisors is an integer number (5895883).

Almost surely, 2^20214452 is an apocalyptic number.

It is an amenable number.

20214452 is a deficient number, since it is larger than the sum of its proper divisors (15160846).

20214452 is a wasteful number, since it uses less digits than its factorization.

20214452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5053617 (or 5053615 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 20214452 is about 4496.0484872830. The cubic root of 20214452 is about 272.4085016714.

Adding to 20214452 its reverse (25441202), we get a palindrome (45655654).

The spelling of 20214452 in words is "twenty million, two hundred fourteen thousand, four hundred fifty-two".