20113220343 has 8 divisors (see below), whose sum is σ = 27983611008. Its totient is φ = 12825821624.

The previous prime is 20113220333. The next prime is 20113220363. The reversal of 20113220343 is 34302231102.

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 20113220343 - 2¹⁰ = 20113219319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20113220333) 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, 145747905 + ... + 145748042.

It is an arithmetic number, because the mean of its divisors is an integer number (3497951376).

Almost surely, 2^20113220343 is an apocalyptic number.

20113220343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20113220343 is a deficient number, since it is larger than the sum of its proper divisors (7870390665).

20113220343 is a wasteful number, since it uses less digits than its factorization.

20113220343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291495973.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20113220343 its reverse (34302231102), we get a palindrome (54415451445).

The spelling of 20113220343 in words is "twenty billion, one hundred thirteen million, two hundred twenty thousand, three hundred forty-three".