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122122022020 = 22559791310041
BaseRepresentation
bin111000110111100001…
…0100010110010000100
3102200012220010111110121
41301233002202302010
54000101214201040
6132034014431324
711552204026345
oct1615702426204
9380186114417
10122122022020
1147878774729
121b802502544
13b692a15abb
145ca70c60cc
15329b41cc4a
hex1c6f0a2c84

122122022020 has 48 divisors (see below), whose sum is σ = 264104467200. Its totient is φ = 47412967680.

The previous prime is 122122021999. The next prime is 122122022027. The reversal of 122122022020 is 20220221221.

It is a junction number, because it is equal to n+sod(n) for n = 122122021985 and 122122022003.

It is not an unprimeable number, because it can be changed into a prime (122122022027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561801 + ... + 748240.

It is an arithmetic number, because the mean of its divisors is an integer number (5502176400).

Almost surely, 2122122022020 is an apocalyptic number.

122122022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122122022020 is an abundant number, since it is smaller than the sum of its proper divisors (141982445180).

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

122122022020 is a wasteful number, since it uses less digits than its factorization.

122122022020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310188 (or 1310186 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122122022020 its reverse (20220221221), we get a palindrome (142342243241).

The spelling of 122122022020 in words is "one hundred twenty-two billion, one hundred twenty-two million, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 59 79 118 158 236 295 316 395 590 790 1180 1580 4661 9322 18644 23305 46610 93220 1310041 2620082 5240164 6550205 13100410 26200820 77292419 103493239 154584838 206986478 309169676 386462095 413972956 517466195 772924190 1034932390 1545848380 2069864780 6106101101 12212202202 24424404404 30530505505 61061011010 122122022020