20004202043 has 16 divisors (see below), whose sum is σ = 23444526336. Its totient is φ = 16711259040.

The previous prime is 20004202021. The next prime is 20004202051. The reversal of 20004202043 is 34020240002.

It is not a de Polignac number, because 20004202043 - 2²² = 20000007739 is a prime.

It is a super-3 number, since 3×20004202043³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20004202063) 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 15 ways as a sum of consecutive naturals, for example, 66680 + ... + 210842.

It is an arithmetic number, because the mean of its divisors is an integer number (1465282896).

Almost surely, 2^20004202043 is an apocalyptic number.

20004202043 is a deficient number, since it is larger than the sum of its proper divisors (3440324293).

20004202043 is a wasteful number, since it uses less digits than its factorization.

20004202043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144674.

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 20004202043 its reverse (34020240002), we get a palindrome (54024442045).

The spelling of 20004202043 in words is "twenty billion, four million, two hundred two thousand, forty-three".