20794151 has 8 divisors (see below), whose sum is σ = 25015680. Its totient is φ = 16885368.

The previous prime is 20794141. The next prime is 20794157. The reversal of 20794151 is 15149702.

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 20794151 - 2¹⁴ = 20777767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20794157) 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, 78041 + ... + 78306.

It is an arithmetic number, because the mean of its divisors is an integer number (3126960).

Almost surely, 2^20794151 is an apocalyptic number.

20794151 is a deficient number, since it is larger than the sum of its proper divisors (4221529).

20794151 is a wasteful number, since it uses less digits than its factorization.

20794151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156373.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 20794151 is about 4560.0604162664. The cubic root of 20794151 is about 274.9879928642.

The spelling of 20794151 in words is "twenty million, seven hundred ninety-four thousand, one hundred fifty-one".