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120201101202020 = 22542291421152769
BaseRepresentation
bin11011010101001001111111…
…111100000101001001100100
3120202121010001102011120121212
4123111021333330011021210
5111223333323401431040
61103351342405330552
734214146225201526
oct3325117774051144
9522533042146555
10120201101202020
1135333000aa0823
1211593941706a58
13520bbb892a977
142197a9b4c3a16
15dd6a8e5ebd65
hex6d527ff05264

120201101202020 has 24 divisors (see below), whose sum is σ = 252482001118200. Its totient is φ = 48069071224832.

The previous prime is 120201101201983. The next prime is 120201101202029. The reversal of 120201101202020 is 20202101102021.

It can be written as a sum of positive squares in 4 ways, for example, as 79955501102656 + 40245600099364 = 8941784^2 + 6343942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 120201101201986 and 120201101202004.

It is not an unprimeable number, because it can be changed into a prime (120201101202029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710491805 + ... + 710660964.

It is an arithmetic number, because the mean of its divisors is an integer number (10520083379925).

Almost surely, 2120201101202020 is an apocalyptic number.

120201101202020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120201101202020 is an abundant number, since it is smaller than the sum of its proper divisors (132280899916180).

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

120201101202020 is a wasteful number, since it uses less digits than its factorization.

120201101202020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421157007 (or 1421157005 counting only the distinct ones).

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

Adding to 120201101202020 its reverse (20202101102021), we get a palindrome (140403202304041).

Subtracting from 120201101202020 its reverse (20202101102021), we obtain a palindrome (99999000099999).

The spelling of 120201101202020 in words is "one hundred twenty trillion, two hundred one billion, one hundred one million, two hundred two thousand, twenty".

Divisors: 1 2 4 5 10 20 4229 8458 16916 21145 42290 84580 1421152769 2842305538 5684611076 7105763845 14211527690 28423055380 6010055060101 12020110120202 24040220240404 30050275300505 60100550601010 120201101202020