20378082 has 8 divisors (see below), whose sum is σ = 40756176. Its totient is φ = 6792692.

The previous prime is 20378047. The next prime is 20378093. The reversal of 20378082 is 28087302.

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

20378082 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1698168 + ... + 1698179.

It is an arithmetic number, because the mean of its divisors is an integer number (5094522).

Almost surely, 2^20378082 is an apocalyptic number.

20378082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20378082 is a wasteful number, since it uses less digits than its factorization.

20378082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3396352.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 20378082 is about 4514.2089007931. The cubic root of 20378082 is about 273.1415493186.

The spelling of 20378082 in words is "twenty million, three hundred seventy-eight thousand, eighty-two".