20514842 has 16 divisors (see below), whose sum is σ = 32199552. Its totient is φ = 9792480.

The previous prime is 20514841. The next prime is 20514853. The reversal of 20514842 is 24841502.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20514841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 6515.

It is an arithmetic number, because the mean of its divisors is an integer number (2012472).

Almost surely, 2^20514842 is an apocalyptic number.

20514842 is a deficient number, since it is larger than the sum of its proper divisors (11684710).

20514842 is a wasteful number, since it uses less digits than its factorization.

20514842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5413.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 20514842 is about 4529.3312972226. The cubic root of 20514842 is about 273.7512171641.

The spelling of 20514842 in words is "twenty million, five hundred fourteen thousand, eight hundred forty-two".