20103320240 has 40 divisors (see below), whose sum is σ = 46917988128. Its totient is φ = 8010744320.

The previous prime is 20103320227. The next prime is 20103320249. The reversal of 20103320240 is 4202330102.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (20103320249) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 456701 + ... + 498780.

Almost surely, 2^20103320240 is an apocalyptic number.

20103320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103320240 is an abundant number, since it is smaller than the sum of its proper divisors (26814667888).

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

20103320240 is a wasteful number, since it uses less digits than its factorization.

20103320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 955757 (or 955751 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20103320240 its reverse (4202330102), we get a palindrome (24305650342).

The spelling of 20103320240 in words is "twenty billion, one hundred three million, three hundred twenty thousand, two hundred forty".