20120305214 has 4 divisors (see below), whose sum is σ = 30180457824. Its totient is φ = 10060152606.

The previous prime is 20120305199. The next prime is 20120305319. The reversal of 20120305214 is 41250302102.

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

It is a Curzon number.

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, 5030076302 + ... + 5030076305.

It is an arithmetic number, because the mean of its divisors is an integer number (7545114456).

Almost surely, 2^20120305214 is an apocalyptic number.

20120305214 is a deficient number, since it is larger than the sum of its proper divisors (10060152610).

20120305214 is a wasteful number, since it uses less digits than its factorization.

20120305214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10060152609.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 20120305214 its reverse (41250302102), we get a palindrome (61370607316).

The spelling of 20120305214 in words is "twenty billion, one hundred twenty million, three hundred five thousand, two hundred fourteen".