20145350031350 has 12 divisors (see below), whose sum is σ = 37470351058404. Its totient is φ = 8058140012520.

The previous prime is 20145350031269. The next prime is 20145350031353. The reversal of 20145350031350 is 5313005354102.

It is a super-2 number, since 2×20145350031350² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20145350031353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 201453500264 + ... + 201453500363.

It is an arithmetic number, because the mean of its divisors is an integer number (3122529254867).

Almost surely, 2^{20145350031350} is an apocalyptic number.

20145350031350 is a deficient number, since it is larger than the sum of its proper divisors (17325001027054).

20145350031350 is a wasteful number, since it uses less digits than its factorization.

20145350031350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402907000639 (or 402907000634 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 20145350031350 its reverse (5313005354102), we get a palindrome (25458355385452).

The spelling of 20145350031350 in words is "twenty trillion, one hundred forty-five billion, three hundred fifty million, thirty-one thousand, three hundred fifty".