20379597 has 8 divisors (see below), whose sum is σ = 31054656. Its totient is φ = 11645472.

The previous prime is 20379589. The next prime is 20379641. The reversal of 20379597 is 79597302.

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

It is not a de Polignac number, because 20379597 - 2³ = 20379589 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20379577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 485208 + ... + 485249.

It is an arithmetic number, because the mean of its divisors is an integer number (3881832).

Almost surely, 2^20379597 is an apocalyptic number.

It is an amenable number.

20379597 is a deficient number, since it is larger than the sum of its proper divisors (10675059).

20379597 is an equidigital number, since it uses as much as digits as its factorization.

20379597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 970467.

The product of its (nonzero) digits is 119070, while the sum is 42.

The square root of 20379597 is about 4514.3767011626. The cubic root of 20379597 is about 273.1483180157.

It can be divided in two parts, 203 and 79597, that added together give a triangular number (79800 = T₃₉₉).

The spelling of 20379597 in words is "twenty million, three hundred seventy-nine thousand, five hundred ninety-seven".