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2020000122 = 232747347983
BaseRepresentation
bin111100001100110…
…1100000101111010
312012202222122020100
41320121230011322
513114110000442
6532235340230
7101025501120
oct17031540572
95182878210
102020000122
11947267a98
124845b1676
1326265a85a
141523c3910
15bc51384c
hex7866c17a

2020000122 has 96 divisors (see below), whose sum is σ = 5128261632. Its totient is φ = 562662432.

The previous prime is 2020000117. The next prime is 2020000123. The reversal of 2020000122 is 2210000202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2020000123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2054443 + ... + 2055425.

It is an arithmetic number, because the mean of its divisors is an integer number (53419392).

Almost surely, 22020000122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020000122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2564130816).

2020000122 is an abundant number, since it is smaller than the sum of its proper divisors (3108261510).

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

2020000122 is a wasteful number, since it uses less digits than its factorization.

2020000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392 (or 1389 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

The square root of 2020000122 is about 44944.4114657206. The cubic root of 2020000122 is about 1264.1068903123.

Adding to 2020000122 its reverse (2210000202), we get a palindrome (4230000324).

The spelling of 2020000122 in words is "two billion, twenty million, one hundred twenty-two", and thus it is an aban number.

Divisors: 1 2 3 6 7 9 14 18 21 42 47 63 94 126 141 282 329 347 423 658 694 846 983 987 1041 1966 1974 2082 2429 2949 2961 3123 4858 5898 5922 6246 6881 7287 8847 13762 14574 16309 17694 20643 21861 32618 41286 43722 46201 48927 61929 92402 97854 114163 123858 138603 146781 228326 277206 293562 323407 341101 342489 415809 646814 682202 684978 831618 970221 1023303 1027467 1940442 2046606 2054934 2387707 2910663 3069909 4775414 5821326 6139818 7163121 14326242 16031747 21489363 32063494 42978726 48095241 96190482 112222229 144285723 224444458 288571446 336666687 673333374 1010000061 2020000122