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22020002020220 = 2251489739422499
BaseRepresentation
bin1010000000110111011100…
…11001011111101101111100
32212222002110210122021002112
411000123232121133231330
510341233431004121340
6114455503235513152
74431615114626501
oct500335631375574
985862423567075
1022020002020220
11701a6a3097746
12257775a1587b8
13c3962877c419
14561ab939b4a8
15282bcdd7d065
hex1406ee65fb7c

22020002020220 has 24 divisors (see below), whose sum is σ = 46273060050000. Its totient is φ = 8802085416192.

The previous prime is 22020002020189. The next prime is 22020002020223. The reversal of 22020002020220 is 2202020002022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22020002020195 and 22020002020204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020002020223) 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, 369681470 + ... + 369741029.

It is an arithmetic number, because the mean of its divisors is an integer number (1928044168750).

Almost surely, 222020002020220 is an apocalyptic number.

22020002020220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020002020220 is an abundant number, since it is smaller than the sum of its proper divisors (24253058029780).

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

22020002020220 is a wasteful number, since it uses less digits than its factorization.

22020002020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739423997 (or 739423995 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22020002020220 its reverse (2202020002022), we get a palindrome (24222022022242).

The spelling of 22020002020220 in words is "twenty-two trillion, twenty billion, two million, twenty thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1489 2978 5956 7445 14890 29780 739422499 1478844998 2957689996 3697112495 7394224990 14788449980 1101000101011 2202000202022 4404000404044 5505000505055 11010001010110 22020002020220