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120222110220 = 22353023662819
BaseRepresentation
bin110111111110111001…
…0111101001000001100
3102111022111002222102220
41233331302331020030
53432203330011340
6131121305015340
711454134035032
oct1577562751014
9374274088386
10120222110220
1146a93279893
121b372184550
13b44c213434
145b66a42552
1531d972aed0
hex1bfdcbd20c

120222110220 has 48 divisors (see below), whose sum is σ = 336733770240. Its totient is φ = 32048575936.

The previous prime is 120222110219. The next prime is 120222110221. The reversal of 120222110220 is 22011222021.

It is an interprime number because it is at equal distance from previous prime (120222110219) and next prime (120222110221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 120222110220.

It is not an unprimeable number, because it can be changed into a prime (120222110221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150030 + ... + 512789.

It is an arithmetic number, because the mean of its divisors is an integer number (7015286880).

Almost surely, 2120222110220 is an apocalyptic number.

120222110220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222110220 is an abundant number, since it is smaller than the sum of its proper divisors (216511660020).

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

120222110220 is a wasteful number, since it uses less digits than its factorization.

120222110220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665854 (or 665852 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 120222110220 its reverse (22011222021), we get a palindrome (142233332241).

The spelling of 120222110220 in words is "one hundred twenty billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3023 6046 9069 12092 15115 18138 30230 36276 45345 60460 90690 181380 662819 1325638 1988457 2651276 3314095 3976914 6628190 7953828 9942285 13256380 19884570 39769140 2003701837 4007403674 6011105511 8014807348 10018509185 12022211022 20037018370 24044422044 30055527555 40074036740 60111055110 120222110220