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222031122020120 = 23574716871665807
BaseRepresentation
bin110010011110111110100110…
…001010000011011100011000
31002010010222010122111211211002
4302132332212022003130120
5213100224214214120440
62104115404521324132
764524135120551150
oct6236764612033430
91063128118454732
10222031122020120
116482296304a556
1220a9b151636648
1396b75a278c7aa
143cb8513bab760
151aa08142b2115
hexc9efa6283718

222031122020120 has 64 divisors (see below), whose sum is σ = 583084770324480. Its totient is φ = 74505276199296.

The previous prime is 222031122020023. The next prime is 222031122020137. The reversal of 222031122020120 is 21020221130222.

222031122020120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 222031122020092 and 222031122020101.

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, 8435819744 + ... + 8435846063.

It is an arithmetic number, because the mean of its divisors is an integer number (9110699536320).

Almost surely, 2222031122020120 is an apocalyptic number.

222031122020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222031122020120 is an abundant number, since it is smaller than the sum of its proper divisors (361053648304360).

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

222031122020120 is a wasteful number, since it uses less digits than its factorization.

222031122020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16871665872 (or 16871665868 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222031122020120 its reverse (21020221130222), we get a palindrome (243051343150342).

The spelling of 222031122020120 in words is "two hundred twenty-two trillion, thirty-one billion, one hundred twenty-two million, twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 47 56 70 94 140 188 235 280 329 376 470 658 940 1316 1645 1880 2632 3290 6580 13160 16871665807 33743331614 67486663228 84358329035 118101660649 134973326456 168716658070 236203321298 337433316140 472406642596 590508303245 674866632280 792968292929 944813285192 1181016606490 1585936585858 2362033212980 3171873171716 3964841464645 4724066425960 5550778050503 6343746343432 7929682929290 11101556101006 15859365858580 22203112202012 27753890252515 31718731717160 44406224404024 55507780505030 111015561010060 222031122020120