20379616 has 12 divisors (see below), whose sum is σ = 40122432. Its totient is φ = 10189792.

The previous prime is 20379589. The next prime is 20379641. The reversal of 20379616 is 61697302.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 318400 + ... + 318463.

It is an arithmetic number, because the mean of its divisors is an integer number (3343536).

Almost surely, 2^20379616 is an apocalyptic number.

It is an amenable number.

20379616 is a deficient number, since it is larger than the sum of its proper divisors (19742816).

20379616 is an equidigital number, since it uses as much as digits as its factorization.

20379616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 636873 (or 636865 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 20379616 is about 4514.3788055501. The cubic root of 20379616 is about 273.1484029016.

The spelling of 20379616 in words is "twenty million, three hundred seventy-nine thousand, six hundred sixteen".