20003343063146 has 8 divisors (see below), whose sum is σ = 30034751975940. Its totient is φ = 9991759071168.

The previous prime is 20003343063133. The next prime is 20003343063181. The reversal of 20003343063146 is 64136034330002.

It can be written as a sum of positive squares in 2 ways, for example, as 19951507157521 + 51835905625 = 4466711^2 + 227675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×20003343063146² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956227681 + ... + 4956231716.

Almost surely, 2^{20003343063146} is an apocalyptic number.

20003343063146 is a deficient number, since it is larger than the sum of its proper divisors (10031408912794).

20003343063146 is a wasteful number, since it uses less digits than its factorization.

20003343063146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912460408.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 20003343063146 its reverse (64136034330002), we get a palindrome (84139377393148).

The spelling of 20003343063146 in words is "twenty trillion, three billion, three hundred forty-three million, sixty-three thousand, one hundred forty-six".