20411140343 has 16 divisors (see below), whose sum is σ = 22463308800. Its totient is φ = 18392412480.

The previous prime is 20411140301. The next prime is 20411140349. The reversal of 20411140343 is 34304111402.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20411140343 is a prime.

It is a super-2 number, since 2×20411140343² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20411140349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 599738 + ... + 632856.

It is an arithmetic number, because the mean of its divisors is an integer number (1403956800).

Almost surely, 2^20411140343 is an apocalyptic number.

20411140343 is a deficient number, since it is larger than the sum of its proper divisors (2052168457).

20411140343 is a wasteful number, since it uses less digits than its factorization.

20411140343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33622.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 20411140343 its reverse (34304111402), we get a palindrome (54715251745).

The spelling of 20411140343 in words is "twenty billion, four hundred eleven million, one hundred forty thousand, three hundred forty-three".