20354003150523 has 32 divisors (see below), whose sum is σ = 31027834048512. Its totient is φ = 11626281108000.

The previous prime is 20354003150483. The next prime is 20354003150539. The reversal of 20354003150523 is 32505130045302.

It is not a de Polignac number, because 20354003150523 - 2¹⁴ = 20354003134139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20354003150563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 692698890 + ... + 692728272.

It is an arithmetic number, because the mean of its divisors is an integer number (969619814016).

Almost surely, 2^{20354003150523} is an apocalyptic number.

20354003150523 is a deficient number, since it is larger than the sum of its proper divisors (10673830897989).

20354003150523 is a wasteful number, since it uses less digits than its factorization.

20354003150523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41255.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 20354003150523 its reverse (32505130045302), we get a palindrome (52859133195825).

The spelling of 20354003150523 in words is "twenty trillion, three hundred fifty-four billion, three million, one hundred fifty thousand, five hundred twenty-three".