20010303353 has 4 divisors (see below), whose sum is σ = 20030136180. Its totient is φ = 19990470528.

The previous prime is 20010303343. The next prime is 20010303377. The reversal of 20010303353 is 35330301002.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35330301002 = 2 ⋅17665150501.

It can be written as a sum of positive squares in 2 ways, for example, as 2451933289 + 17558370064 = 49517^2 + 132508^2 .

It is a cyclic number.

It is not a de Polignac number, because 20010303353 - 2⁸ = 20010303097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20010303343) 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, 9914900 + ... + 9916917.

It is an arithmetic number, because the mean of its divisors is an integer number (5007534045).

Almost surely, 2^20010303353 is an apocalyptic number.

It is an amenable number.

20010303353 is a deficient number, since it is larger than the sum of its proper divisors (19832827).

20010303353 is a wasteful number, since it uses less digits than its factorization.

20010303353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19832826.

The product of its (nonzero) digits is 810, while the sum is 20.

Adding to 20010303353 its reverse (35330301002), we get a palindrome (55340604355).

The spelling of 20010303353 in words is "twenty billion, ten million, three hundred three thousand, three hundred fifty-three".