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120433431220 = 225232291143283
BaseRepresentation
bin111000000101001100…
…1000101001010110100
3102111212012202012100121
41300022121011022310
53433121424244340
6131154254221324
711462311163164
oct1601231051264
9374765665317
10120433431220
1147091594443
121b410ab4844
13b483c3264b
145b86b305a4
1531ed06e94a
hex1c0a6452b4

120433431220 has 48 divisors (see below), whose sum is σ = 265058962560. Its totient is φ = 45877620096.

The previous prime is 120433431193. The next prime is 120433431247. The reversal of 120433431220 is 22134334021.

It is an interprime number because it is at equal distance from previous prime (120433431193) and next prime (120433431247).

It is a super-2 number, since 2×1204334312202 (a number of 23 digits) contains 22 as substring.

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, 466302 + ... + 676981.

It is an arithmetic number, because the mean of its divisors is an integer number (5522061720).

Almost surely, 2120433431220 is an apocalyptic number.

120433431220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120433431220 is an abundant number, since it is smaller than the sum of its proper divisors (144625531340).

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

120433431220 is a wasteful number, since it uses less digits than its factorization.

120433431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143544 (or 1143542 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 120433431220 its reverse (22134334021), we get a palindrome (142567765241).

The spelling of 120433431220 in words is "one hundred twenty billion, four hundred thirty-three million, four hundred thirty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 229 230 458 460 916 1145 2290 4580 5267 10534 21068 26335 52670 105340 1143283 2286566 4573132 5716415 11432830 22865660 26295509 52591018 105182036 131477545 261811807 262955090 523623614 525910180 1047247228 1309059035 2618118070 5236236140 6021671561 12043343122 24086686244 30108357805 60216715610 120433431220