20927193 has 16 divisors (see below), whose sum is σ = 32250240. Its totient is φ = 11822976.

The previous prime is 20927147. The next prime is 20927233. The reversal of 20927193 is 39172902.

It is not a de Polignac number, because 20927193 - 2¹³ = 20919001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20927143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3730 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (2015640).

Almost surely, 2^20927193 is an apocalyptic number.

It is an amenable number.

20927193 is a deficient number, since it is larger than the sum of its proper divisors (11323047).

20927193 is a wasteful number, since it uses less digits than its factorization.

20927193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11296.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 20927193 is about 4574.6249026560. The cubic root of 20927193 is about 275.5732087837.

The spelling of 20927193 in words is "twenty million, nine hundred twenty-seven thousand, one hundred ninety-three".