20434302713 has 4 divisors (see below), whose sum is σ = 22291966608. Its totient is φ = 18576638820.

The previous prime is 20434302653. The next prime is 20434302739. The reversal of 20434302713 is 31720343402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20434302713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20434302743) 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, 928831931 + ... + 928831952.

It is an arithmetic number, because the mean of its divisors is an integer number (5572991652).

Almost surely, 2^20434302713 is an apocalyptic number.

It is an amenable number.

20434302713 is a deficient number, since it is larger than the sum of its proper divisors (1857663895).

20434302713 is a wasteful number, since it uses less digits than its factorization.

20434302713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1857663894.

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 20434302713 in words is "twenty billion, four hundred thirty-four million, three hundred two thousand, seven hundred thirteen".