20413502443203 has 8 divisors (see below), whose sum is σ = 28096003362816. Its totient is φ = 13170001576200.

The previous prime is 20413502443153. The next prime is 20413502443207. The reversal of 20413502443203 is 30234420531402.

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

It is not a de Polignac number, because 20413502443203 - 2⁴⁴ = 2821316398787 is a prime.

It is a super-2 number, since 2×20413502443203² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20413502443207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109750013043 + ... + 109750013228.

It is an arithmetic number, because the mean of its divisors is an integer number (3512000420352).

Almost surely, 2^{20413502443203} is an apocalyptic number.

20413502443203 is a deficient number, since it is larger than the sum of its proper divisors (7682500919613).

20413502443203 is a wasteful number, since it uses less digits than its factorization.

20413502443203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219500026305.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 20413502443203 its reverse (30234420531402), we get a palindrome (50647922974605).

The spelling of 20413502443203 in words is "twenty trillion, four hundred thirteen billion, five hundred two million, four hundred forty-three thousand, two hundred three".