20502094 has 8 divisors (see below), whose sum is σ = 30774240. Its totient is φ = 10244016.

The previous prime is 20502071. The next prime is 20502109. The reversal of 20502094 is 49020502.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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, 1642 + ... + 6610.

It is an arithmetic number, because the mean of its divisors is an integer number (3846780).

Almost surely, 2^20502094 is an apocalyptic number.

20502094 is a deficient number, since it is larger than the sum of its proper divisors (10272146).

20502094 is a wasteful number, since it uses less digits than its factorization.

20502094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 20502094 is about 4527.9238067794. The cubic root of 20502094 is about 273.6945020694.

Adding to 20502094 its reverse (49020502), we get a palindrome (69522596).

The spelling of 20502094 in words is "twenty million, five hundred two thousand, ninety-four".