Search a number
-
+
122000022020 = 2256100001101
BaseRepresentation
bin111000110011111000…
…1001001101000000100
3102122220101120020221002
41301213301021220010
53444324001201040
6132013535512432
711546163035252
oct1614761115004
9378811506832
10122000022020
1147815917288
121b789688718
13b67366b756
145c94c095d2
15329086ea15
hex1c67c49a04

122000022020 has 12 divisors (see below), whose sum is σ = 256200046284. Its totient is φ = 48800008800.

The previous prime is 122000021987. The next prime is 122000022071. The reversal of 122000022020 is 20220000221.

It can be written as a sum of positive squares in 2 ways, for example, as 68656576576 + 53343445444 = 262024^2 + 230962^2 .

It is a junction number, because it is equal to n+sod(n) for n = 122000021992 and 122000022010.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050000531 + ... + 3050000570.

It is an arithmetic number, because the mean of its divisors is an integer number (21350003857).

Almost surely, 2122000022020 is an apocalyptic number.

122000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122000022020 is an abundant number, since it is smaller than the sum of its proper divisors (134200024264).

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

122000022020 is a wasteful number, since it uses less digits than its factorization.

122000022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100001110 (or 6100001108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 122000022020 its reverse (20220000221), we get a palindrome (142220022241).

The spelling of 122000022020 in words is "one hundred twenty-two billion, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 6100001101 12200002202 24400004404 30500005505 61000011010 122000022020