20145741133 has 8 divisors (see below), whose sum is σ = 23024645568. Its totient is φ = 17267072064.

The previous prime is 20145741131. The next prime is 20145741137. The reversal of 20145741133 is 33114754102.

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 20145741133 - 2¹ = 20145741131 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20145741095 and 20145741104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145741131) 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, 201210 + ... + 284212.

It is an arithmetic number, because the mean of its divisors is an integer number (2878080696).

Almost surely, 2^20145741133 is an apocalyptic number.

It is an amenable number.

20145741133 is a deficient number, since it is larger than the sum of its proper divisors (2878904435).

20145741133 is an equidigital number, since it uses as much as digits as its factorization.

20145741133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117683.

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 20145741133 in words is "twenty billion, one hundred forty-five million, seven hundred forty-one thousand, one hundred thirty-three".