20246330240 has 32 divisors (see below), whose sum is σ = 48401384760. Its totient is φ = 8098531840.

The previous prime is 20246330191. The next prime is 20246330257. The reversal of 20246330240 is 4203364202.

It is a tau number, because it is divible by the number of its divisors (32).

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 in 3 ways as a sum of consecutive naturals, for example, 15816806 + ... + 15818085.

Almost surely, 2^20246330240 is an apocalyptic number.

20246330240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20246330240 is an abundant number, since it is smaller than the sum of its proper divisors (28155054520).

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

20246330240 is an equidigital number, since it uses as much as digits as its factorization.

20246330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31634910 (or 31634898 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20246330240 its reverse (4203364202), we get a palindrome (24449694442).

The spelling of 20246330240 in words is "twenty billion, two hundred forty-six million, three hundred thirty thousand, two hundred forty".