20420023300045 has 8 divisors (see below), whose sum is σ = 24508003987296. Its totient is φ = 16333367955216.

The previous prime is 20420023299989. The next prime is 20420023300049. The reversal of 20420023300045 is 54000332002402.

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

It is a cyclic number.

It is not a de Polignac number, because 20420023300045 - 2²⁷ = 20419889082317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20420023299992 and 20420023300019.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20420023300049) 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, 331301707 + ... + 331363336.

It is an arithmetic number, because the mean of its divisors is an integer number (3063500498412).

Almost surely, 2^{20420023300045} is an apocalyptic number.

It is an amenable number.

20420023300045 is a deficient number, since it is larger than the sum of its proper divisors (4087980687251).

20420023300045 is an equidigital number, since it uses as much as digits as its factorization.

20420023300045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662671211.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 20420023300045 its reverse (54000332002402), we get a palindrome (74420355302447).

The spelling of 20420023300045 in words is "twenty trillion, four hundred twenty billion, twenty-three million, three hundred thousand, forty-five".