20344330220601 has 4 divisors (see below), whose sum is σ = 27125773627472. Its totient is φ = 13562886813732.

The previous prime is 20344330220597. The next prime is 20344330220609. The reversal of 20344330220601 is 10602203344302.

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 20344330220601 - 2² = 20344330220597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20344330220609) 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, 3390721703431 + ... + 3390721703436.

It is an arithmetic number, because the mean of its divisors is an integer number (6781443406868).

Almost surely, 2^{20344330220601} is an apocalyptic number.

It is an amenable number.

20344330220601 is a deficient number, since it is larger than the sum of its proper divisors (6781443406871).

20344330220601 is an equidigital number, since it uses as much as digits as its factorization.

20344330220601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6781443406870.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 20344330220601 its reverse (10602203344302), we get a palindrome (30946533564903).

The spelling of 20344330220601 in words is "twenty trillion, three hundred forty-four billion, three hundred thirty million, two hundred twenty thousand, six hundred one".