20240000404 has 18 divisors (see below), whose sum is σ = 38354203230. Its totient is φ = 9341538336.

The previous prime is 20240000383. The next prime is 20240000411. The reversal of 20240000404 is 40400004202.

It can be written as a sum of positive squares in 3 ways, for example, as 2425759504 + 17814240900 = 49252^2 + 133470^2 .

It is a super-3 number, since 3×20240000404³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14969739 + ... + 14971090.

Almost surely, 2^20240000404 is an apocalyptic number.

It is an amenable number.

20240000404 is a deficient number, since it is larger than the sum of its proper divisors (18114202826).

20240000404 is a wasteful number, since it uses less digits than its factorization.

20240000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29940859 (or 29940844 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 20240000404 its reverse (40400004202), we get a palindrome (60640004606).

The spelling of 20240000404 in words is "twenty billion, two hundred forty million, four hundred four", and thus it is an aban number.