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220031330401420 = 22526713411843167
BaseRepresentation
bin110010000001111000001001…
…010010011011110010001100
31001212001210022201202212020221
4302001320021102123302030
5212314443131040321140
62055544555302521124
764226511325345546
oct6201701122336214
91055053281685227
10220031330401420
116412184389671a
12208176674361a4
1395a0b33458585
143c49804c82696
151a687be74714a
hexc81e0949bc8c

220031330401420 has 24 divisors (see below), whose sum is σ = 462083092377984. Its totient is φ = 88009237201536.

The previous prime is 220031330401411. The next prime is 220031330401427. The reversal of 220031330401420 is 24104033130022.

It is not an unprimeable number, because it can be changed into a prime (220031330401427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205387324 + ... + 206455843.

It is an arithmetic number, because the mean of its divisors is an integer number (19253462182416).

Almost surely, 2220031330401420 is an apocalyptic number.

220031330401420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220031330401420 is an abundant number, since it is smaller than the sum of its proper divisors (242051761976564).

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

220031330401420 is a wasteful number, since it uses less digits than its factorization.

220031330401420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411869889 (or 411869887 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 220031330401420 its reverse (24104033130022), we get a palindrome (244135363531442).

The spelling of 220031330401420 in words is "two hundred twenty trillion, thirty-one billion, three hundred thirty million, four hundred one thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 26713 53426 106852 133565 267130 534260 411843167 823686334 1647372668 2059215835 4118431670 8236863340 11001566520071 22003133040142 44006266080284 55007832600355 110015665200710 220031330401420