220353320240 has 40 divisors (see below), whose sum is σ = 518494033008. Its totient is φ = 87079381760.

The previous prime is 220353320233. The next prime is 220353320269. The reversal of 220353320240 is 42023353022.

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

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 7 ways as a sum of consecutive naturals, for example, 16586231 + ... + 16599510.

Almost surely, 2^220353320240 is an apocalyptic number.

220353320240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220353320240 is an abundant number, since it is smaller than the sum of its proper divisors (298140712768).

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

220353320240 is a wasteful number, since it uses less digits than its factorization.

220353320240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33185837 (or 33185831 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 220353320240 its reverse (42023353022), we get a palindrome (262376673262).

The spelling of 220353320240 in words is "two hundred twenty billion, three hundred fifty-three million, three hundred twenty thousand, two hundred forty".