20045210241 has 8 divisors (see below), whose sum is σ = 30545082304. Its totient is φ = 11454405840.

The previous prime is 20045210219. The next prime is 20045210303. The reversal of 20045210241 is 14201254002.

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

It is not a de Polignac number, because 20045210241 - 2¹³ = 20045202049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 954533821 = 20045210241 / (2 + 0 + 0 + 4 + 5 + 2 + 1 + 0 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20045215241) 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, 477266890 + ... + 477266931.

It is an arithmetic number, because the mean of its divisors is an integer number (3818135288).

Almost surely, 2^20045210241 is an apocalyptic number.

20045210241 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20045210241 is a deficient number, since it is larger than the sum of its proper divisors (10499872063).

20045210241 is an equidigital number, since it uses as much as digits as its factorization.

20045210241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954533831.

The product of its (nonzero) digits is 640, while the sum is 21.

Adding to 20045210241 its reverse (14201254002), we get a palindrome (34246464243).

The spelling of 20045210241 in words is "twenty billion, forty-five million, two hundred ten thousand, two hundred forty-one".