20733158 has 8 divisors (see below), whose sum is σ = 31141152. Its totient is φ = 10352776.

The previous prime is 20733137. The next prime is 20733191. The reversal of 20733158 is 85133702.

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

It is a self number, because there is not a number n which added to its sum of digits gives 20733158.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4910 + ... + 8097.

It is an arithmetic number, because the mean of its divisors is an integer number (3892644).

Almost surely, 2^20733158 is an apocalyptic number.

20733158 is a deficient number, since it is larger than the sum of its proper divisors (10407994).

20733158 is a wasteful number, since it uses less digits than its factorization.

20733158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13806.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 20733158 is about 4553.3677646331. The cubic root of 20733158 is about 274.7188664130.

The spelling of 20733158 in words is "twenty million, seven hundred thirty-three thousand, one hundred fifty-eight".