20378214 has 12 divisors (see below), whose sum is σ = 44152836. Its totient is φ = 6792732.

The previous prime is 20378201. The next prime is 20378221. The reversal of 20378214 is 41287302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566044 + ... + 566079.

It is an arithmetic number, because the mean of its divisors is an integer number (3679403).

Almost surely, 2^20378214 is an apocalyptic number.

20378214 is an abundant number, since it is smaller than the sum of its proper divisors (23774622).

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

20378214 is a wasteful number, since it uses less digits than its factorization.

20378214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1132131 (or 1132128 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 20378214 is about 4514.2235212714. The cubic root of 20378214 is about 273.1421390799.

The spelling of 20378214 in words is "twenty million, three hundred seventy-eight thousand, two hundred fourteen".