20514122 has 4 divisors (see below), whose sum is σ = 30771186. Its totient is φ = 10257060.

The previous prime is 20514103. The next prime is 20514149. The reversal of 20514122 is 22141502.

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

It can be written as a sum of positive squares in only one way, i.e., 16900321 + 3613801 = 4111^2 + 1901^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20514122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5128529 + ... + 5128532.

Almost surely, 2^20514122 is an apocalyptic number.

20514122 is a deficient number, since it is larger than the sum of its proper divisors (10257064).

20514122 is a wasteful number, since it uses less digits than its factorization.

20514122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10257063.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 20514122 is about 4529.2518145937. The cubic root of 20514122 is about 273.7480145530.

Adding to 20514122 its reverse (22141502), we get a palindrome (42655624).

The spelling of 20514122 in words is "twenty million, five hundred fourteen thousand, one hundred twenty-two".