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122022010220 = 225111564135461
BaseRepresentation
bin111000110100100010…
…1000001110101101100
3102122221220221101001212
41301221011001311230
53444400113311340
6132020043053552
711546550654635
oct1615105016554
9378856841055
10122022010220
1147827275350
121b794b112b8
13b678099b16
145c97ad088c
153292764a65
hex1c69141d6c

122022010220 has 48 divisors (see below), whose sum is σ = 279567088416. Its totient is φ = 44367552000.

The previous prime is 122022010189. The next prime is 122022010309. The reversal of 122022010220 is 22010220221.

It is a junction number, because it is equal to n+sod(n) for n = 122022010195 and 122022010204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3423290 + ... + 3458750.

It is an arithmetic number, because the mean of its divisors is an integer number (5824314342).

Almost surely, 2122022010220 is an apocalyptic number.

122022010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122022010220 is an abundant number, since it is smaller than the sum of its proper divisors (157545078196).

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

122022010220 is a wasteful number, since it uses less digits than its factorization.

122022010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51122 (or 51120 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 122022010220 its reverse (22010220221), we get a palindrome (144032230441).

The spelling of 122022010220 in words is "one hundred twenty-two billion, twenty-two million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 15641 31282 35461 62564 70922 78205 141844 156410 172051 177305 312820 344102 354610 390071 688204 709220 780142 860255 1560284 1720510 1950355 3441020 3900710 7801420 554645501 1109291002 2218582004 2773227505 5546455010 6101100511 11092910020 12202201022 24404402044 30505502555 61011005110 122022010220