20011077305 has 8 divisors (see below), whose sum is σ = 25277150400. Its totient is φ = 15166290096.

The previous prime is 20011077301. The next prime is 20011077367. The reversal of 20011077305 is 50377011002.

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 20011077305 - 2² = 20011077301 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20011077301) 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, 105321365 + ... + 105321554.

It is an arithmetic number, because the mean of its divisors is an integer number (3159643800).

Almost surely, 2^20011077305 is an apocalyptic number.

It is an amenable number.

20011077305 is a deficient number, since it is larger than the sum of its proper divisors (5266073095).

20011077305 is a wasteful number, since it uses less digits than its factorization.

20011077305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210642943.

The product of its (nonzero) digits is 1470, while the sum is 26.

Adding to 20011077305 its reverse (50377011002), we get a palindrome (70388088307).

The spelling of 20011077305 in words is "twenty billion, eleven million, seventy-seven thousand, three hundred five".