220404313242040 has 32 divisors (see below), whose sum is σ = 495920500602480. Its totient is φ = 88159806042112.

The previous prime is 220404313242019. The next prime is 220404313242101. The reversal of 220404313242040 is 40242313404022.

It is a super-3 number, since 3×220404313242040³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 220404313241993 and 220404313242011.

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, 58115614 + ... + 61791853.

Almost surely, 2^{220404313242040} is an apocalyptic number.

220404313242040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220404313242040 is an abundant number, since it is smaller than the sum of its proper divisors (275516187360440).

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

220404313242040 is a wasteful number, since it uses less digits than its factorization.

220404313242040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119953431 (or 119953427 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 220404313242040 its reverse (40242313404022), we get a palindrome (260646626646062).

The spelling of 220404313242040 in words is "two hundred twenty trillion, four hundred four billion, three hundred thirteen million, two hundred forty-two thousand, forty".