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120102112020020 = 225131313526192367
BaseRepresentation
bin11011010011101101110011…
…101110010100011000110100
3120202020122112200120002222212
4123103231303232110120310
5111220223111134120040
61103234052031512552
734204043204061344
oct3323556356243064
9522218480502885
10120102112020020
11352a50241a81a9
1211578716388758
1352027716753b0
142192d8a7c8d24
15dd41e8ecdd65
hex6d3b73b94634

120102112020020 has 48 divisors (see below), whose sum is σ = 273688946834688. Its totient is φ = 44006880727680.

The previous prime is 120102112020019. The next prime is 120102112020031. The reversal of 120102112020020 is 20020211201021.

It is a junction number, because it is equal to n+sod(n) for n = 120102112019977 and 120102112020004.

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, 1763062124 + ... + 1763130243.

It is an arithmetic number, because the mean of its divisors is an integer number (5701853059056).

Almost surely, 2120102112020020 is an apocalyptic number.

120102112020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120102112020020 is an abundant number, since it is smaller than the sum of its proper divisors (153586834814668).

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

120102112020020 is a wasteful number, since it uses less digits than its factorization.

120102112020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526192520 (or 3526192518 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 120102112020020 its reverse (20020211201021), we get a palindrome (140122323221041).

The spelling of 120102112020020 in words is "one hundred twenty trillion, one hundred two billion, one hundred twelve million, twenty thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 131 260 262 524 655 1310 1703 2620 3406 6812 8515 17030 34060 3526192367 7052384734 14104769468 17630961835 35261923670 45840500771 70523847340 91681001542 183362003084 229202503855 458405007710 461931200077 916810015420 923862400154 1847724800308 2309656000385 4619312000770 6005105601001 9238624001540 12010211202002 24020422404004 30025528005005 60051056010010 120102112020020