20240420404 has 6 divisors (see below), whose sum is σ = 35420735714. Its totient is φ = 10120210200.

The previous prime is 20240420351. The next prime is 20240420411. The reversal of 20240420404 is 40402404202.

It can be written as a sum of positive squares in only one way, i.e., 18632250000 + 1608170404 = 136500^2 + 40102^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530052547 + ... + 2530052554.

Almost surely, 2^20240420404 is an apocalyptic number.

It is an amenable number.

20240420404 is a deficient number, since it is larger than the sum of its proper divisors (15180315310).

20240420404 is a wasteful number, since it uses less digits than its factorization.

20240420404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060105105 (or 5060105103 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 20240420404 its reverse (40402404202), we get a palindrome (60642824606).

The spelling of 20240420404 in words is "twenty billion, two hundred forty million, four hundred twenty thousand, four hundred four".