20220620239943 has 4 divisors (see below), whose sum is σ = 20257996618008. Its totient is φ = 20183243861880.

The previous prime is 20220620239931. The next prime is 20220620239969. The reversal of 20220620239943 is 34993202602202.

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

It is a cyclic number.

It is not a de Polignac number, because 20220620239943 - 2⁴ = 20220620239927 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20220620239894 and 20220620239903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220620239243) 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, 18688188221 + ... + 18688189302.

It is an arithmetic number, because the mean of its divisors is an integer number (5064499154502).

Almost surely, 2^{20220620239943} is an apocalyptic number.

20220620239943 is a deficient number, since it is larger than the sum of its proper divisors (37376378065).

20220620239943 is an equidigital number, since it uses as much as digits as its factorization.

20220620239943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37376378064.

The product of its (nonzero) digits is 559872, while the sum is 44.

The spelling of 20220620239943 in words is "twenty trillion, two hundred twenty billion, six hundred twenty million, two hundred thirty-nine thousand, nine hundred forty-three".