20242000400 has 30 divisors (see below), whose sum is σ = 48631406922. Its totient is φ = 8096800000.

The previous prime is 20242000393. The next prime is 20242000451. The reversal of 20242000400 is 400024202.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 963233296 + 19278767104 = 31036^2 + 138848^2 .

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 5 ways as a sum of consecutive naturals, for example, 25302101 + ... + 25302900.

Almost surely, 2^20242000400 is an apocalyptic number.

20242000400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20242000400 is an abundant number, since it is smaller than the sum of its proper divisors (28389406522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20242000400 is a wasteful number, since it uses less digits than its factorization.

20242000400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50605019 (or 50605008 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 20242000400 its reverse (400024202), we get a palindrome (20642024602).

The spelling of 20242000400 in words is "twenty billion, two hundred forty-two million, four hundred", and thus it is an aban number.