20514838 has 8 divisors (see below), whose sum is σ = 30805200. Its totient is φ = 10246440.

The previous prime is 20514833. The next prime is 20514841. The reversal of 20514838 is 83841502.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20514833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2913 + ... + 7036.

It is an arithmetic number, because the mean of its divisors is an integer number (3850650).

Almost surely, 2^20514838 is an apocalyptic number.

20514838 is a deficient number, since it is larger than the sum of its proper divisors (10290362).

20514838 is a wasteful number, since it uses less digits than its factorization.

20514838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10982.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 20514838 is about 4529.3308556563. The cubic root of 20514838 is about 273.7511993720.

It can be divided in two parts, 2051 and 4838, that added together give a square (6889 = 83²).

The spelling of 20514838 in words is "twenty million, five hundred fourteen thousand, eight hundred thirty-eight".