20975014 has 4 divisors (see below), whose sum is σ = 31462524. Its totient is φ = 10487506.

The previous prime is 20974999. The next prime is 20975051. The reversal of 20975014 is 41057902.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5243752 + ... + 5243755.

It is an arithmetic number, because the mean of its divisors is an integer number (7865631).

Almost surely, 2^20975014 is an apocalyptic number.

20975014 is a deficient number, since it is larger than the sum of its proper divisors (10487510).

20975014 is a wasteful number, since it uses less digits than its factorization.

20975014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10487509.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 20975014 is about 4579.8486874568. The cubic root of 20975014 is about 275.7829544045.

It can be divided in two parts, 209750 and 14, that added together give a square (209764 = 458²).

The spelling of 20975014 in words is "twenty million, nine hundred seventy-five thousand, fourteen".