20353353351 has 16 divisors (see below), whose sum is σ = 27343713024. Its totient is φ = 13466005184.

The previous prime is 20353353329. The next prime is 20353353353. The reversal of 20353353351 is 15335335302.

It is a cyclic number.

It is not a de Polignac number, because 20353353351 - 2⁶ = 20353353287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20353353353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2570140 + ... + 2578046.

It is an arithmetic number, because the mean of its divisors is an integer number (1708982064).

Almost surely, 2^20353353351 is an apocalyptic number.

20353353351 is a deficient number, since it is larger than the sum of its proper divisors (6990359673).

20353353351 is a wasteful number, since it uses less digits than its factorization.

20353353351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14310.

The product of its (nonzero) digits is 60750, while the sum is 33.

Adding to 20353353351 its reverse (15335335302), we get a palindrome (35688688653).

The spelling of 20353353351 in words is "twenty billion, three hundred fifty-three million, three hundred fifty-three thousand, three hundred fifty-one".