20514334 has 4 divisors (see below), whose sum is σ = 30771504. Its totient is φ = 10257166.

The previous prime is 20514331. The next prime is 20514341. The reversal of 20514334 is 43341502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514331) by changing a digit.

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 as a sum of consecutive naturals, namely, 5128582 + ... + 5128585.

It is an arithmetic number, because the mean of its divisors is an integer number (7692876).

Almost surely, 2^20514334 is an apocalyptic number.

20514334 is a deficient number, since it is larger than the sum of its proper divisors (10257170).

20514334 is a wasteful number, since it uses less digits than its factorization.

20514334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10257169.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 20514334 is about 4529.2752179571. The cubic root of 20514334 is about 273.7489575518.

Adding to 20514334 its reverse (43341502), we get a palindrome (63855836).

The spelling of 20514334 in words is "twenty million, five hundred fourteen thousand, three hundred thirty-four".