20379394 has 12 divisors (see below), whose sum is σ = 35560134. Its totient is φ = 8733984.

The previous prime is 20379389. The next prime is 20379421. The reversal of 20379394 is 49397302.

It can be written as a sum of positive squares in only one way, i.e., 19140625 + 1238769 = 4375^2 + 1113^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 103879 + ... + 104074.

Almost surely, 2^20379394 is an apocalyptic number.

20379394 is a deficient number, since it is larger than the sum of its proper divisors (15180740).

20379394 is a wasteful number, since it uses less digits than its factorization.

20379394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207969 (or 207962 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 20379394 is about 4514.3542173826. The cubic root of 20379394 is about 273.1474110745.

It can be divided in two parts, 203 and 79394, that added together give a palindrome (79597).

The spelling of 20379394 in words is "twenty million, three hundred seventy-nine thousand, three hundred ninety-four".