20403032412041 has 4 divisors (see below), whose sum is σ = 20737508353284. Its totient is φ = 20068556470800.

The previous prime is 20403032411989. The next prime is 20403032412101. The reversal of 20403032412041 is 14021423030402.

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

It can be written as a sum of positive squares in 2 ways, for example, as 383135002441 + 20019897409600 = 618979^2 + 4474360^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20403032412041 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 20403032412041.

It is not an unprimeable number, because it can be changed into a prime (20403032112041) 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, 167237970530 + ... + 167237970651.

It is an arithmetic number, because the mean of its divisors is an integer number (5184377088321).

Almost surely, 2^{20403032412041} is an apocalyptic number.

It is an amenable number.

20403032412041 is a deficient number, since it is larger than the sum of its proper divisors (334475941243).

20403032412041 is an equidigital number, since it uses as much as digits as its factorization.

20403032412041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334475941242.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 20403032412041 its reverse (14021423030402), we get a palindrome (34424455442443).

The spelling of 20403032412041 in words is "twenty trillion, four hundred three billion, thirty-two million, four hundred twelve thousand, forty-one".