20242804 has 6 divisors (see below), whose sum is σ = 35424914. Its totient is φ = 10121400.

The previous prime is 20242793. The next prime is 20242861. The reversal of 20242804 is 40824202.

It can be written as a sum of positive squares in only one way, i.e., 19820304 + 422500 = 4452^2 + 650^2 .

It is a super-2 number, since 2×20242804² = 819542227564832, which contains 22 as substring.

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, 2530347 + ... + 2530354.

Almost surely, 2^20242804 is an apocalyptic number.

It is an amenable number.

20242804 is a deficient number, since it is larger than the sum of its proper divisors (15182110).

20242804 is a wasteful number, since it uses less digits than its factorization.

20242804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060705 (or 5060703 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 20242804 is about 4499.2003733997. The cubic root of 20242804 is about 272.5357986804.

The spelling of 20242804 in words is "twenty million, two hundred forty-two thousand, eight hundred four".