20413020043 has 8 divisors (see below), whose sum is σ = 21984687648. Its totient is φ = 18841557504.

The previous prime is 20413020041. The next prime is 20413020073. The reversal of 20413020043 is 34002031402.

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 20413020043 - 2¹ = 20413020041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20413020043.

It is not an unprimeable number, because it can be changed into a prime (20413020041) 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, 201771 + ... + 285547.

It is an arithmetic number, because the mean of its divisors is an integer number (2748085956).

Almost surely, 2^20413020043 is an apocalyptic number.

20413020043 is a deficient number, since it is larger than the sum of its proper divisors (1571667605).

20413020043 is a wasteful number, since it uses less digits than its factorization.

20413020043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102533.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20413020043 its reverse (34002031402), we get a palindrome (54415051445).

The spelling of 20413020043 in words is "twenty billion, four hundred thirteen million, twenty thousand, forty-three".