20413847042203 has 4 divisors (see below), whose sum is σ = 20550852727200. Its totient is φ = 20276841357208.

The previous prime is 20413847042177. The next prime is 20413847042221. The reversal of 20413847042203 is 30224074831402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20413847042203 - 2⁴¹ = 18214823786651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20413847042263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68502842275 + ... + 68502842572.

It is an arithmetic number, because the mean of its divisors is an integer number (5137713181800).

Almost surely, 2^{20413847042203} is an apocalyptic number.

20413847042203 is a deficient number, since it is larger than the sum of its proper divisors (137005684997).

20413847042203 is a wasteful number, since it uses less digits than its factorization.

20413847042203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137005684996.

The product of its (nonzero) digits is 258048, while the sum is 40.

The spelling of 20413847042203 in words is "twenty trillion, four hundred thirteen billion, eight hundred forty-seven million, forty-two thousand, two hundred three".