20523414 has 8 divisors (see below), whose sum is σ = 41046840. Its totient is φ = 6841136.

The previous prime is 20523407. The next prime is 20523421. The reversal of 20523414 is 41432502.

It is an interprime number because it is at equal distance from previous prime (20523407) and next prime (20523421).

It is a sphenic number, since it is the product of 3 distinct primes.

20523414 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1710279 + ... + 1710290.

It is an arithmetic number, because the mean of its divisors is an integer number (5130855).

Almost surely, 2^20523414 is an apocalyptic number.

20523414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20523414 is a wasteful number, since it uses less digits than its factorization.

20523414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3420574.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 20523414 is about 4530.2774749457. The cubic root of 20523414 is about 273.7893402731.

Adding to 20523414 its reverse (41432502), we get a palindrome (61955916).

The spelling of 20523414 in words is "twenty million, five hundred twenty-three thousand, four hundred fourteen".