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120020112012020 = 225111006154223831
BaseRepresentation
bin11011010010100001011100…
…001001000111001011110100
3120201221210212222002002210112
4123102201130021013023310
5111212402142133341040
61103132251151042152
734165111155362543
oct3322413411071364
9521853788062715
10120020112012020
1135273275349550
1211564850810358
1351c7b040926bc
14218d00c19215a
15dd1eea14a365
hex6d285c2472f4

120020112012020 has 48 divisors (see below), whose sum is σ = 274982499582336. Its totient is φ = 43639338384000.

The previous prime is 120020112012007. The next prime is 120020112012023. The reversal of 120020112012020 is 20210211020021.

It is a junction number, because it is equal to n+sod(n) for n = 120020112011986 and 120020112012004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120020112012023) 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, 24898496 + ... + 29325335.

It is an arithmetic number, because the mean of its divisors is an integer number (5728802074632).

Almost surely, 2120020112012020 is an apocalyptic number.

120020112012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020112012020 is an abundant number, since it is smaller than the sum of its proper divisors (154962387570316).

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

120020112012020 is a wasteful number, since it uses less digits than its factorization.

120020112012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54233912 (or 54233910 counting only the distinct ones).

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

Adding to 120020112012020 its reverse (20210211020021), we get a palindrome (140230323032041).

The spelling of 120020112012020 in words is "one hundred twenty trillion, twenty billion, one hundred twelve million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 110 220 10061 20122 40244 50305 100610 110671 201220 221342 442684 553355 1106710 2213420 54223831 108447662 216895324 271119155 542238310 596462141 1084476620 1192924282 2385848564 2982310705 5964621410 11929242820 545545963691 1091091927382 2182183854764 2727729818455 5455459636910 6001005600601 10910919273820 12002011201202 24004022402404 30005028003005 60010056006010 120020112012020