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120020210220 = 22352000336837
BaseRepresentation
bin110111111000111000…
…0110001001000101100
3102110210102012101201010
41233301300301020230
53431300133211340
6131045253345220
711446132645221
oct1576160611054
9373712171633
10120020210220
114699a309389
121b316638210
13b419442391
145b47cc7948
1531c6b48b80
hex1bf1c3122c

120020210220 has 24 divisors (see below), whose sum is σ = 336056588784. Its totient is φ = 32005389376.

The previous prime is 120020210201. The next prime is 120020210221. The reversal of 120020210220 is 22012020021.

It is a super-2 number, since 2×1200202102202 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 120020210196 and 120020210205.

It is not an unprimeable number, because it can be changed into a prime (120020210221) 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, 1000168359 + ... + 1000168478.

It is an arithmetic number, because the mean of its divisors is an integer number (14002357866).

Almost surely, 2120020210220 is an apocalyptic number.

120020210220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020210220 is an abundant number, since it is smaller than the sum of its proper divisors (216036378564).

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

120020210220 is a wasteful number, since it uses less digits than its factorization.

120020210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000336849 (or 2000336847 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 120020210220 its reverse (22012020021), we get a palindrome (142032230241).

The spelling of 120020210220 in words is "one hundred twenty billion, twenty million, two hundred ten thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2000336837 4000673674 6001010511 8001347348 10001684185 12002021022 20003368370 24004042044 30005052555 40006736740 60010105110 120020210220