20767912343 has 8 divisors (see below), whose sum is σ = 20862904608. Its totient is φ = 20672970624.

The previous prime is 20767912331. The next prime is 20767912349. The reversal of 20767912343 is 34321976702.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20767912343 - 2¹⁰ = 20767911319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20767912294 and 20767912303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20767912349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990830 + ... + 1011572.

It is an arithmetic number, because the mean of its divisors is an integer number (2607863076).

Almost surely, 2^20767912343 is an apocalyptic number.

20767912343 is a deficient number, since it is larger than the sum of its proper divisors (94992265).

20767912343 is a wasteful number, since it uses less digits than its factorization.

20767912343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25273.

The product of its (nonzero) digits is 381024, while the sum is 44.

It can be divided in two parts, 207679 and 12343, that added together give a palindrome (220022).

The spelling of 20767912343 in words is "twenty billion, seven hundred sixty-seven million, nine hundred twelve thousand, three hundred forty-three".