20158134293 has 8 divisors (see below), whose sum is σ = 22060067040. Its totient is φ = 18267764080.

The previous prime is 20158134277. The next prime is 20158134313. The reversal of 20158134293 is 39243185102.

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 20158134293 - 2⁴ = 20158134277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20158134593) 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, 2886983 + ... + 2893956.

It is an arithmetic number, because the mean of its divisors is an integer number (2757508380).

Almost surely, 2^20158134293 is an apocalyptic number.

It is an amenable number.

20158134293 is a deficient number, since it is larger than the sum of its proper divisors (1901932747).

20158134293 is a wasteful number, since it uses less digits than its factorization.

20158134293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5781267.

The product of its (nonzero) digits is 51840, while the sum is 38.

It can be divided in two parts, 20158 and 134293, that added together give a palindrome (154451).

The spelling of 20158134293 in words is "twenty billion, one hundred fifty-eight million, one hundred thirty-four thousand, two hundred ninety-three".