20353034011 has 4 divisors (see below), whose sum is σ = 21054862800. Its totient is φ = 19651205224.

The previous prime is 20353033999. The next prime is 20353034027. The reversal of 20353034011 is 11043035302.

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

It is a cyclic number.

It is not a de Polignac number, because 20353034011 - 2¹⁷ = 20352902939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20353034041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 350914351 + ... + 350914408.

It is an arithmetic number, because the mean of its divisors is an integer number (5263715700).

Almost surely, 2^20353034011 is an apocalyptic number.

20353034011 is a deficient number, since it is larger than the sum of its proper divisors (701828789).

20353034011 is an equidigital number, since it uses as much as digits as its factorization.

20353034011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701828788.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 20353034011 its reverse (11043035302), we get a palindrome (31396069313).

The spelling of 20353034011 in words is "twenty billion, three hundred fifty-three million, thirty-four thousand, eleven".