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120222200020 = 225133591288003
BaseRepresentation
bin110111111110111001…
…1010011000011010100
3102111022111021112121211
41233331303103003110
53432203340400040
6131121310551204
711454134560606
oct1577563230324
9374274245554
10120222200020
1146a933302aa
121b372208504
13b44c245280
145b66a67176
1531d97478ea
hex1bfdcd30d4

120222200020 has 48 divisors (see below), whose sum is σ = 272644686720. Its totient is φ = 44266052736.

The previous prime is 120222199997. The next prime is 120222200039. The reversal of 120222200020 is 20002222021.

It is a Harshad number since it is a multiple of its sum of digits (13).

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, 550662 + ... + 737341.

It is an arithmetic number, because the mean of its divisors is an integer number (5680097640).

Almost surely, 2120222200020 is an apocalyptic number.

120222200020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222200020 is an abundant number, since it is smaller than the sum of its proper divisors (152422486700).

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

120222200020 is a wasteful number, since it uses less digits than its factorization.

120222200020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288384 (or 1288382 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 120222200020 its reverse (20002222021), we get a palindrome (140224422041).

The spelling of 120222200020 in words is "one hundred twenty billion, two hundred twenty-two million, two hundred thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 359 718 1436 1795 3590 4667 7180 9334 18668 23335 46670 93340 1288003 2576006 5152012 6440015 12880030 16744039 25760060 33488078 66976156 83720195 167440390 334880780 462393077 924786154 1849572308 2311965385 4623930770 6011110001 9247861540 12022220002 24044440004 30055550005 60111100010 120222200020