20195514 has 32 divisors (see below), whose sum is σ = 45622080. Its totient is φ = 6620400.

The previous prime is 20195503. The next prime is 20195521. The reversal of 20195514 is 41559102.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 229 + ... + 6359.

It is an arithmetic number, because the mean of its divisors is an integer number (1425690).

Almost surely, 2^20195514 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20195514, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22811040).

20195514 is an abundant number, since it is smaller than the sum of its proper divisors (25426566).

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

20195514 is a wasteful number, since it uses less digits than its factorization.

20195514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6203 (or 6197 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

The square root of 20195514 is about 4493.9419221881. The cubic root of 20195514 is about 272.3234060497.

The spelling of 20195514 in words is "twenty million, one hundred ninety-five thousand, five hundred fourteen".