20401333041 has 4 divisors (see below), whose sum is σ = 27201777392. Its totient is φ = 13600888692.

The previous prime is 20401333033. The next prime is 20401333061. The reversal of 20401333041 is 14033310402.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 20401333041 - 2³ = 20401333033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20401332999 and 20401333017.

It is not an unprimeable number, because it can be changed into a prime (20401333061) 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, 3400222171 + ... + 3400222176.

It is an arithmetic number, because the mean of its divisors is an integer number (6800444348).

Almost surely, 2^20401333041 is an apocalyptic number.

It is an amenable number.

20401333041 is a deficient number, since it is larger than the sum of its proper divisors (6800444351).

20401333041 is an equidigital number, since it uses as much as digits as its factorization.

20401333041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6800444350.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 20401333041 its reverse (14033310402), we get a palindrome (34434643443).

The spelling of 20401333041 in words is "twenty billion, four hundred one million, three hundred thirty-three thousand, forty-one".