20357427343 has 8 divisors (see below), whose sum is σ = 22808322000. Its totient is φ = 18006569280.

The previous prime is 20357427341. The next prime is 20357427361. The reversal of 20357427343 is 34372475302.

It is a happy number.

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 20357427343 - 2¹ = 20357427341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20357427296 and 20357427305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20357427341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25008718 + ... + 25009531.

It is an arithmetic number, because the mean of its divisors is an integer number (2851040250).

Almost surely, 2^20357427343 is an apocalyptic number.

20357427343 is a deficient number, since it is larger than the sum of its proper divisors (2450894657).

20357427343 is a wasteful number, since it uses less digits than its factorization.

20357427343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50018297.

The product of its (nonzero) digits is 423360, while the sum is 40.

The spelling of 20357427343 in words is "twenty billion, three hundred fifty-seven million, four hundred twenty-seven thousand, three hundred forty-three".