20240733717605 has 4 divisors (see below), whose sum is σ = 24288880461132. Its totient is φ = 16192586974080.

The previous prime is 20240733717569. The next prime is 20240733717619. The reversal of 20240733717605 is 50671733704202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3994537865956 + 16246195851649 = 1998634^2 + 4030657^2 .

It is not a de Polignac number, because 20240733717605 - 2¹² = 20240733713509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20240733717605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2024073371756 + ... + 2024073371765.

It is an arithmetic number, because the mean of its divisors is an integer number (6072220115283).

Almost surely, 2^{20240733717605} is an apocalyptic number.

It is an amenable number.

20240733717605 is a deficient number, since it is larger than the sum of its proper divisors (4048146743527).

20240733717605 is an equidigital number, since it uses as much as digits as its factorization.

20240733717605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4048146743526.

The product of its (nonzero) digits is 1481760, while the sum is 47.

The spelling of 20240733717605 in words is "twenty trillion, two hundred forty billion, seven hundred thirty-three million, seven hundred seventeen thousand, six hundred five".