20794154 has 8 divisors (see below), whose sum is σ = 31429728. Its totient is φ = 10317580.

The previous prime is 20794141. The next prime is 20794157. The reversal of 20794154 is 45149702.

It is a happy number.

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 20794154.

It is not an unprimeable number, because it can be changed into a prime (20794157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39422 + ... + 39945.

It is an arithmetic number, because the mean of its divisors is an integer number (3928716).

Almost surely, 2^20794154 is an apocalyptic number.

20794154 is a deficient number, since it is larger than the sum of its proper divisors (10635574).

20794154 is a wasteful number, since it uses less digits than its factorization.

20794154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79500.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 20794154 is about 4560.0607452094. The cubic root of 20794154 is about 274.9880060885.

The spelling of 20794154 in words is "twenty million, seven hundred ninety-four thousand, one hundred fifty-four".