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440020020220 = 225113316042571
BaseRepresentation
bin1100110011100110011…
…11001010101111111100
31120001202202022001001221
412121303033022233330
524202130111121340
6534050432043124
743535051313544
oct6316317125774
91501682261057
10440020020220
1115a67a914980
12713419934a4
13326558b0291
14174232a2324
15b6a503744a
hex66733cabfc

440020020220 has 48 divisors (see below), whose sum is σ = 1011091487616. Its totient is φ = 159523848000.

The previous prime is 440020020179. The next prime is 440020020239. The reversal of 440020020220 is 22020020044.

It is a junction number, because it is equal to n+sod(n) for n = 440020020194 and 440020020203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2948466 + ... + 3094105.

It is an arithmetic number, because the mean of its divisors is an integer number (21064405992).

Almost surely, 2440020020220 is an apocalyptic number.

It is an amenable number.

440020020220 is an abundant number, since it is smaller than the sum of its proper divisors (571071467396).

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

440020020220 is a wasteful number, since it uses less digits than its factorization.

440020020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6042922 (or 6042920 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 440020020220 its reverse (22020020044), we get a palindrome (462040040264).

The spelling of 440020020220 in words is "four hundred forty billion, twenty million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 331 662 1324 1655 3310 3641 6620 7282 14564 18205 36410 72820 6042571 12085142 24170284 30212855 60425710 66468281 120851420 132936562 265873124 332341405 664682810 1329365620 2000091001 4000182002 8000364004 10000455005 20000910010 22001001011 40001820020 44002002022 88004004044 110005005055 220010010110 440020020220