20133510145 has 8 divisors (see below), whose sum is σ = 27611671104. Its totient is φ = 13805835504.

The previous prime is 20133510119. The next prime is 20133510167. The reversal of 20133510145 is 54101533102.

It is a happy number.

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 20133510145 - 2¹⁹ = 20132985857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287621539 + ... + 287621608.

It is an arithmetic number, because the mean of its divisors is an integer number (3451458888).

Almost surely, 2^20133510145 is an apocalyptic number.

It is an amenable number.

20133510145 is a deficient number, since it is larger than the sum of its proper divisors (7478160959).

20133510145 is an equidigital number, since it uses as much as digits as its factorization.

20133510145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575243159.

The product of its (nonzero) digits is 1800, while the sum is 25.

The spelling of 20133510145 in words is "twenty billion, one hundred thirty-three million, five hundred ten thousand, one hundred forty-five".