20054040445 has 8 divisors (see below), whose sum is σ = 24312940344. Its totient is φ = 15877837824.

The previous prime is 20054040439. The next prime is 20054040451. The reversal of 20054040445 is 54404045002.

It is an interprime number because it is at equal distance from previous prime (20054040439) and next prime (20054040451).

It can be written as a sum of positive squares in 4 ways, for example, as 2152403236 + 17901637209 = 46394^2 + 133797^2 .

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 20054040445 - 2¹³ = 20054032253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20673784 + ... + 20674753.

It is an arithmetic number, because the mean of its divisors is an integer number (3039117543).

Almost surely, 2^20054040445 is an apocalyptic number.

It is an amenable number.

20054040445 is a deficient number, since it is larger than the sum of its proper divisors (4258899899).

20054040445 is an equidigital number, since it uses as much as digits as its factorization.

20054040445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41348639.

The product of its (nonzero) digits is 12800, while the sum is 28.

Adding to 20054040445 its reverse (54404045002), we get a palindrome (74458085447).

The spelling of 20054040445 in words is "twenty billion, fifty-four million, forty thousand, four hundred forty-five".