220304241020440 has 32 divisors (see below), whose sum is σ = 495685546703280. Its totient is φ = 88121517846912.

The previous prime is 220304241020419. The next prime is 220304241020497. The reversal of 220304241020440 is 44020142403022.

It is a super-2 number, since 2×220304241020440² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220304241020399 and 220304241020408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15378994 + ... + 26021566.

Almost surely, 2^{220304241020440} is an apocalyptic number.

220304241020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220304241020440 is an abundant number, since it is smaller than the sum of its proper divisors (275381305682840).

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

220304241020440 is a wasteful number, since it uses less digits than its factorization.

220304241020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11160091 (or 11160087 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 220304241020440 its reverse (44020142403022), we get a palindrome (264324383423462).

The spelling of 220304241020440 in words is "two hundred twenty trillion, three hundred four billion, two hundred forty-one million, twenty thousand, four hundred forty".