20450355333 has 8 divisors (see below), whose sum is σ = 27781615008. Its totient is φ = 13376332944.

The previous prime is 20450355323. The next prime is 20450355353. The reversal of 20450355333 is 33355305402.

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

It is not a de Polignac number, because 20450355333 - 2¹⁴ = 20450338949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20450355294 and 20450355303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20450355323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64309135 + ... + 64309452.

It is an arithmetic number, because the mean of its divisors is an integer number (3472701876).

Almost surely, 2^20450355333 is an apocalyptic number.

It is an amenable number.

20450355333 is a deficient number, since it is larger than the sum of its proper divisors (7331259675).

20450355333 is a wasteful number, since it uses less digits than its factorization.

20450355333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128618643.

The product of its (nonzero) digits is 81000, while the sum is 33.

The spelling of 20450355333 in words is "twenty billion, four hundred fifty million, three hundred fifty-five thousand, three hundred thirty-three".