20066869343 has 4 divisors (see below), whose sum is σ = 21247273440. Its totient is φ = 18886465248.

The previous prime is 20066869337. The next prime is 20066869351. The reversal of 20066869343 is 34396866002.

It is a happy number.

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

It is not a de Polignac number, because 20066869343 - 2¹⁰ = 20066868319 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 (20066869393) 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, 590202023 + ... + 590202056.

It is an arithmetic number, because the mean of its divisors is an integer number (5311818360).

Almost surely, 2^20066869343 is an apocalyptic number.

20066869343 is a deficient number, since it is larger than the sum of its proper divisors (1180404097).

20066869343 is a wasteful number, since it uses less digits than its factorization.

20066869343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180404096.

The product of its (nonzero) digits is 1119744, while the sum is 47.

The spelling of 20066869343 in words is "twenty billion, sixty-six million, eight hundred sixty-nine thousand, three hundred forty-three".