14200820 has 24 divisors (see below), whose sum is σ = 30386664. Its totient is φ = 5572736.

The previous prime is 14200819. The next prime is 14200829. The reversal of 14200820 is 2800241.

It can be written as a sum of positive squares in 4 ways, for example, as 258064 + 13942756 = 508^2 + 3734^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14200829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5639 + ... + 7758.

It is an arithmetic number, because the mean of its divisors is an integer number (1266111).

Almost surely, 2^14200820 is an apocalyptic number.

14200820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14200820 is an abundant number, since it is smaller than the sum of its proper divisors (16185844).

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

14200820 is a wasteful number, since it uses less digits than its factorization.

14200820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13459 (or 13457 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 14200820 is about 3768.3975374156. The cubic root of 14200820 is about 242.1611521389.

The spelling of 14200820 in words is "fourteen million, two hundred thousand, eight hundred twenty".