20102094 has 20 divisors (see below), whose sum is σ = 45043944. Its totient is φ = 6700644.

The previous prime is 20102087. The next prime is 20102099. The reversal of 20102094 is 49020102.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102099) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 61882 + ... + 62205.

Almost surely, 2^20102094 is an apocalyptic number.

20102094 is an abundant number, since it is smaller than the sum of its proper divisors (24941850).

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

20102094 is a wasteful number, since it uses less digits than its factorization.

20102094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124101 (or 124092 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 20102094 is about 4483.5358814222. The cubic root of 20102094 is about 271.9028542211.

Adding to 20102094 its reverse (49020102), we get a palindrome (69122196).

The spelling of 20102094 in words is "twenty million, one hundred two thousand, ninety-four".