20200302240 has 96 divisors (see below), whose sum is σ = 63667658880. Its totient is φ = 5383640064.

The previous prime is 20200302211. The next prime is 20200302247. The reversal of 20200302240 is 4220300202.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-3 number, since 3×20200302240³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20200302247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 890722 + ... + 913118.

It is an arithmetic number, because the mean of its divisors is an integer number (663204780).

Almost surely, 2^20200302240 is an apocalyptic number.

20200302240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20200302240 is an abundant number, since it is smaller than the sum of its proper divisors (43467356640).

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

20200302240 is a wasteful number, since it uses less digits than its factorization.

20200302240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24294 (or 24286 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20200302240 its reverse (4220300202), we get a palindrome (24420602442).

The spelling of 20200302240 in words is "twenty billion, two hundred million, three hundred two thousand, two hundred forty".