20452014 has 80 divisors (see below), whose sum is σ = 52272000. Its totient is φ = 5916240.

The previous prime is 20452007. The next prime is 20452021. The reversal of 20452014 is 41025402.

Added to its reverse (41025402) it gives a triangular number (61477416 = T₁₁₀₈₈).

It is an interprime number because it is at equal distance from previous prime (20452007) and next prime (20452021).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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 39 ways as a sum of consecutive naturals, for example, 40737 + ... + 41235.

It is an arithmetic number, because the mean of its divisors is an integer number (653400).

Almost surely, 2^20452014 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20452014, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26136000).

20452014 is an abundant number, since it is smaller than the sum of its proper divisors (31819986).

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

20452014 is a wasteful number, since it uses less digits than its factorization.

20452014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 538 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 20452014 is about 4522.3902971769. The cubic root of 20452014 is about 273.4714712558.

Adding to 20452014 its reverse (41025402), we get a palindrome (61477416).

The spelling of 20452014 in words is "twenty million, four hundred fifty-two thousand, fourteen".