20494204 has 6 divisors (see below), whose sum is σ = 35864864. Its totient is φ = 10247100.

The previous prime is 20494183. The next prime is 20494207. The reversal of 20494204 is 40249402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20494207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2561772 + ... + 2561779.

Almost surely, 2^20494204 is an apocalyptic number.

It is an amenable number.

20494204 is a deficient number, since it is larger than the sum of its proper divisors (15370660).

20494204 is a wasteful number, since it uses less digits than its factorization.

20494204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5123555 (or 5123553 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20494204 is about 4527.0524626958. The cubic root of 20494204 is about 273.6593881489.

The spelling of 20494204 in words is "twenty million, four hundred ninety-four thousand, two hundred four".