20401322341 has 4 divisors (see below), whose sum is σ = 20437559712. Its totient is φ = 20365084972.

The previous prime is 20401322309. The next prime is 20401322407. The reversal of 20401322341 is 14322310402.

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 a cyclic number.

It is not a de Polignac number, because 20401322341 - 2⁵ = 20401322309 is a prime.

It is a super-2 number, since 2×20401322341² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20401322741) 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, 18117841 + ... + 18118966.

It is an arithmetic number, because the mean of its divisors is an integer number (5109389928).

Almost surely, 2^20401322341 is an apocalyptic number.

It is an amenable number.

20401322341 is a deficient number, since it is larger than the sum of its proper divisors (36237371).

20401322341 is an equidigital number, since it uses as much as digits as its factorization.

20401322341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36237370.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20401322341 its reverse (14322310402), we get a palindrome (34723632743).

The spelling of 20401322341 in words is "twenty billion, four hundred one million, three hundred twenty-two thousand, three hundred forty-one".