20413400041 has 4 divisors (see below), whose sum is σ = 20693035732. Its totient is φ = 20133764352.

The previous prime is 20413400017. The next prime is 20413400053. The reversal of 20413400041 is 14000431402.

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 9287369641 + 11126030400 = 96371^2 + 105480^2 .

It is a cyclic number.

It is not a de Polignac number, because 20413400041 - 2⁵ = 20413400009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20413399991 and 20413400018.

It is not an unprimeable number, because it can be changed into a prime (20413400141) 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, 139817736 + ... + 139817881.

It is an arithmetic number, because the mean of its divisors is an integer number (5173258933).

Almost surely, 2^20413400041 is an apocalyptic number.

It is an amenable number.

20413400041 is a deficient number, since it is larger than the sum of its proper divisors (279635691).

20413400041 is an equidigital number, since it uses as much as digits as its factorization.

20413400041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279635690.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 20413400041 its reverse (14000431402), we get a palindrome (34413831443).

The spelling of 20413400041 in words is "twenty billion, four hundred thirteen million, four hundred thousand, forty-one".