20300404 has 6 divisors (see below), whose sum is σ = 35525714. Its totient is φ = 10150200.

The previous prime is 20300347. The next prime is 20300411. The reversal of 20300404 is 40400302.

It can be written as a sum of positive squares in only one way, i.e., 20268004 + 32400 = 4502^2 + 180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2537547 + ... + 2537554.

Almost surely, 2^20300404 is an apocalyptic number.

It is an amenable number.

20300404 is a deficient number, since it is larger than the sum of its proper divisors (15225310).

20300404 is a wasteful number, since it uses less digits than its factorization.

20300404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5075105 (or 5075103 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 20300404 is about 4505.5969637774. The cubic root of 20300404 is about 272.7940500590.

Adding to 20300404 its reverse (40400302), we get a palindrome (60700706).

The spelling of 20300404 in words is "twenty million, three hundred thousand, four hundred four".