20246404 has 12 divisors (see below), whose sum is σ = 35917084. Its totient is φ = 9984384.

The previous prime is 20246399. The next prime is 20246453. The reversal of 20246404 is 40464202.

It can be written as a sum of positive squares in 2 ways, for example, as 10956100 + 9290304 = 3310^2 + 3048^2 .

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, 34377 + ... + 34960.

Almost surely, 2^20246404 is an apocalyptic number.

It is an amenable number.

20246404 is a deficient number, since it is larger than the sum of its proper divisors (15670680).

20246404 is a wasteful number, since it uses less digits than its factorization.

20246404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69414 (or 69412 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 20246404 is about 4499.6004267046. The cubic root of 20246404 is about 272.5519537335.

The spelling of 20246404 in words is "twenty million, two hundred forty-six thousand, four hundred four".