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120210221120020 = 22545071333594643
BaseRepresentation
bin11011010101010010011111…
…100001110011101000010100
3120202121222120222220102012121
4123111102133201303220110
5111224011013101320040
61103355451353025324
734214621225212663
oct3325223741635024
9522558528812177
10120210221120020
1135336960a48139
12115956679b5244
13520ca101a6755
1421982c47d2dda
15dd6e250b4c4a
hex6d549f873a14

120210221120020 has 24 divisors (see below), whose sum is σ = 252497475516384. Its totient is φ = 48073419654816.

The previous prime is 120210221119979. The next prime is 120210221120023. The reversal of 120210221120020 is 20021122012021.

It is a happy number.

It is a super-4 number, since 4×1202102211200204 (a number of 57 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 120210221119976 and 120210221120003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120210221120023) 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, 666707182 + ... + 666887461.

It is an arithmetic number, because the mean of its divisors is an integer number (10520728146516).

Almost surely, 2120210221120020 is an apocalyptic number.

120210221120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120210221120020 is an abundant number, since it is smaller than the sum of its proper divisors (132287254396364).

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

120210221120020 is a wasteful number, since it uses less digits than its factorization.

120210221120020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333599159 (or 1333599157 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 120210221120020 its reverse (20021122012021), we get a palindrome (140231343132041).

The spelling of 120210221120020 in words is "one hundred twenty trillion, two hundred ten billion, two hundred twenty-one million, one hundred twenty thousand, twenty".

Divisors: 1 2 4 5 10 20 4507 9014 18028 22535 45070 90140 1333594643 2667189286 5334378572 6667973215 13335946430 26671892860 6010511056001 12021022112002 24042044224004 30052555280005 60105110560010 120210221120020