20353020334 has 8 divisors (see below), whose sum is σ = 30530148408. Its totient is φ = 10176304200.

The previous prime is 20353020299. The next prime is 20353020383. The reversal of 20353020334 is 43302035302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 20353020299 and 20353020308.

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, 102684 + ... + 226384.

It is an arithmetic number, because the mean of its divisors is an integer number (3816268551).

Almost surely, 2^20353020334 is an apocalyptic number.

20353020334 is a deficient number, since it is larger than the sum of its proper divisors (10177128074).

20353020334 is a wasteful number, since it uses less digits than its factorization.

20353020334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205970.

The product of its (nonzero) digits is 6480, while the sum is 25.

Adding to 20353020334 its reverse (43302035302), we get a palindrome (63655055636).

The spelling of 20353020334 in words is "twenty billion, three hundred fifty-three million, twenty thousand, three hundred thirty-four".