20734224158 has 8 divisors (see below), whose sum is σ = 31132534152. Its totient is φ = 10356712776.

The previous prime is 20734224157. The next prime is 20734224167. The reversal of 20734224158 is 85142243702.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20734224157) 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, 5197160 + ... + 5201147.

It is an arithmetic number, because the mean of its divisors is an integer number (3891566769).

Almost surely, 2^20734224158 is an apocalyptic number.

20734224158 is a deficient number, since it is larger than the sum of its proper divisors (10398309994).

20734224158 is a wasteful number, since it uses less digits than its factorization.

20734224158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10399306.

The product of its (nonzero) digits is 107520, while the sum is 38.

The spelling of 20734224158 in words is "twenty billion, seven hundred thirty-four million, two hundred twenty-four thousand, one hundred fifty-eight".