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120222122112020 = 22534457174452393
BaseRepresentation
bin11011010101011101100100…
…111000011111010000010100
3120202200010022101201110010002
4123111131210320133100110
5111224204401230041040
61103405140324350432
734215522155035445
oct3325354470372024
9522603271643102
10120222122112020
1135340a08825615
1211597a29545418
135210b88984156
142198ad31db2cc
15dd73becc9a15
hex6d5764e1f414

120222122112020 has 24 divisors (see below), whose sum is σ = 252473784882984. Its totient is φ = 48087452950016.

The previous prime is 120222122112011. The next prime is 120222122112031. The reversal of 120222122112020 is 20211221222021.

It can be written as a sum of positive squares in 4 ways, for example, as 6383080978576 + 113839041133444 = 2526476^2 + 10669538^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120222122111983 and 120222122112001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86537057 + ... + 87915336.

It is an arithmetic number, because the mean of its divisors is an integer number (10519741036791).

Almost surely, 2120222122112020 is an apocalyptic number.

120222122112020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222122112020 is an abundant number, since it is smaller than the sum of its proper divisors (132251662770964).

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

120222122112020 is a wasteful number, since it uses less digits than its factorization.

120222122112020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174486859 (or 174486857 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120222122112020 its reverse (20211221222021), we get a palindrome (140433343334041).

The spelling of 120222122112020 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 34457 68914 137828 172285 344570 689140 174452393 348904786 697809572 872261965 1744523930 3489047860 6011106105601 12022212211202 24044424422404 30055530528005 60111061056010 120222122112020