20014004343 has 4 divisors (see below), whose sum is σ = 26685339128. Its totient is φ = 13342669560.

The previous prime is 20014004287. The next prime is 20014004357. The reversal of 20014004343 is 34340041002.

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

It is a de Polignac number, because none of the positive numbers 2^k-20014004343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20014004383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3335667388 + ... + 3335667393.

It is an arithmetic number, because the mean of its divisors is an integer number (6671334782).

Almost surely, 2^20014004343 is an apocalyptic number.

20014004343 is a deficient number, since it is larger than the sum of its proper divisors (6671334785).

20014004343 is an equidigital number, since it uses as much as digits as its factorization.

20014004343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671334784.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 20014004343 its reverse (34340041002), we get a palindrome (54354045345).

The spelling of 20014004343 in words is "twenty billion, fourteen million, four thousand, three hundred forty-three".