20843102 has 8 divisors (see below), whose sum is σ = 35731056. Its totient is φ = 8932752.

The previous prime is 20843101. The next prime is 20843117. The reversal of 20843102 is 20134802.

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 (20843101) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 744383 + ... + 744410.

It is an arithmetic number, because the mean of its divisors is an integer number (4466382).

Almost surely, 2^20843102 is an apocalyptic number.

20843102 is a deficient number, since it is larger than the sum of its proper divisors (14887954).

20843102 is a wasteful number, since it uses less digits than its factorization.

20843102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488802.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 20843102 is about 4565.4246242820. The cubic root of 20843102 is about 275.2036045899.

Adding to 20843102 its reverse (20134802), we get a palindrome (40977904).

The spelling of 20843102 in words is "twenty million, eight hundred forty-three thousand, one hundred two".