20894154158 has 8 divisors (see below), whose sum is σ = 31342771800. Its totient is φ = 10446563560.

The previous prime is 20894154157. The next prime is 20894154179. The reversal of 20894154158 is 85145149802.

20894154158 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 (20894154157) 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, 203708 + ... + 288591.

It is an arithmetic number, because the mean of its divisors is an integer number (3917846475).

Almost surely, 2^20894154158 is an apocalyptic number.

20894154158 is a deficient number, since it is larger than the sum of its proper divisors (10448617642).

20894154158 is a wasteful number, since it uses less digits than its factorization.

20894154158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513522.

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 20894154158 in words is "twenty billion, eight hundred ninety-four million, one hundred fifty-four thousand, one hundred fifty-eight".