20453310352355 has 8 divisors (see below), whose sum is σ = 25835760445200. Its totient is φ = 15501456266976.

The previous prime is 20453310352351. The next prime is 20453310352357. The reversal of 20453310352355 is 55325301335402.

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 20453310352355 - 2² = 20453310352351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20453310352351) 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, 107649001760 + ... + 107649001949.

It is an arithmetic number, because the mean of its divisors is an integer number (3229470055650).

Almost surely, 2^{20453310352355} is an apocalyptic number.

20453310352355 is a deficient number, since it is larger than the sum of its proper divisors (5382450092845).

20453310352355 is a wasteful number, since it uses less digits than its factorization.

20453310352355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215298003733.

The product of its (nonzero) digits is 810000, while the sum is 41.

Adding to 20453310352355 its reverse (55325301335402), we get a palindrome (75778611687757).

The spelling of 20453310352355 in words is "twenty trillion, four hundred fifty-three billion, three hundred ten million, three hundred fifty-two thousand, three hundred fifty-five".