20345614 has 4 divisors (see below), whose sum is σ = 30518424. Its totient is φ = 10172806.

The previous prime is 20345603. The next prime is 20345621. The reversal of 20345614 is 41654302.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5086402 + ... + 5086405.

It is an arithmetic number, because the mean of its divisors is an integer number (7629606).

Almost surely, 2^20345614 is an apocalyptic number.

20345614 is a deficient number, since it is larger than the sum of its proper divisors (10172810).

20345614 is a wasteful number, since it uses less digits than its factorization.

20345614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10172809.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 20345614 is about 4510.6112667797. The cubic root of 20345614 is about 272.9964085096.

Adding to 20345614 its reverse (41654302), we get a palindrome (61999916).

The spelling of 20345614 in words is "twenty million, three hundred forty-five thousand, six hundred fourteen".