20135750605444 has 12 divisors (see below), whose sum is σ = 36769631540544. Its totient is φ = 9630141593864.

The previous prime is 20135750605423. The next prime is 20135750605447. The reversal of 20135750605444 is 44450605753102.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a junction number, because it is equal to n+sod(n) for n = 20135750605394 and 20135750605403.

It is not an unprimeable number, because it can be changed into a prime (20135750605447) 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, 109433427112 + ... + 109433427295.

It is an arithmetic number, because the mean of its divisors is an integer number (3064135961712).

Almost surely, 2^{20135750605444} is an apocalyptic number.

It is an amenable number.

20135750605444 is a deficient number, since it is larger than the sum of its proper divisors (16633880935100).

20135750605444 is a wasteful number, since it uses less digits than its factorization.

20135750605444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218866854434 (or 218866854432 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 46.

The spelling of 20135750605444 in words is "twenty trillion, one hundred thirty-five billion, seven hundred fifty million, six hundred five thousand, four hundred forty-four".