19801114 has 16 divisors (see below), whose sum is σ = 31752000. Its totient is φ = 9238240.

The previous prime is 19801081. The next prime is 19801123. The reversal of 19801114 is 41110891.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3364 + ... + 7135.

It is an arithmetic number, because the mean of its divisors is an integer number (1984500).

Almost surely, 2^19801114 is an apocalyptic number.

19801114 is a deficient number, since it is larger than the sum of its proper divisors (11950886).

19801114 is a wasteful number, since it uses less digits than its factorization.

19801114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565.

The product of its (nonzero) digits is 288, while the sum is 25.

The square root of 19801114 is about 4449.8442669379. The cubic root of 19801114 is about 270.5389964540.

It can be divided in two parts, 198011 and 14, that added together give a square (198025 = 445²).

The spelling of 19801114 in words is "nineteen million, eight hundred one thousand, one hundred fourteen".