20414354321 has 8 divisors (see below), whose sum is σ = 20914822824. Its totient is φ = 19914007680.

The previous prime is 20414354309. The next prime is 20414354393. The reversal of 20414354321 is 12345341402.

It can be written as a sum of positive squares in 4 ways, for example, as 7927409296 + 12486945025 = 89036^2 + 111745^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20414354321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20414354021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373475 + ... + 424631.

It is an arithmetic number, because the mean of its divisors is an integer number (2614352853).

Almost surely, 2^20414354321 is an apocalyptic number.

It is an amenable number.

20414354321 is a deficient number, since it is larger than the sum of its proper divisors (500468503).

20414354321 is an equidigital number, since it uses as much as digits as its factorization.

20414354321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60931.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 20414354321 its reverse (12345341402), we get a palindrome (32759695723).

The spelling of 20414354321 in words is "twenty billion, four hundred fourteen million, three hundred fifty-four thousand, three hundred twenty-one".