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20200004022 = 2311315716111
BaseRepresentation
bin10010110100000000…
…111001100110110110
31221010202212112012010
4102310000321212312
5312332200112042
613140232105050
71313401126002
oct226400714666
957122775163
1020200004022
118626415000
123ab8b35186
131b9bc63a03
14d98aa9702
157d35c659c
hex4b40399b6

20200004022 has 64 divisors (see below), whose sum is σ = 44722787328. Its totient is φ = 6081847200.

The previous prime is 20200004021. The next prime is 20200004047. The reversal of 20200004022 is 22040000202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20200003989 and 20200004007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200004021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245747 + ... + 1261857.

It is an arithmetic number, because the mean of its divisors is an integer number (698793552).

Almost surely, 220200004022 is an apocalyptic number.

20200004022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20200004022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22361393664).

20200004022 is an abundant number, since it is smaller than the sum of its proper divisors (24522783306).

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

20200004022 is a wasteful number, since it uses less digits than its factorization.

20200004022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16306 (or 16284 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20200004022 its reverse (22040000202), we get a palindrome (42240004224).

The spelling of 20200004022 in words is "twenty billion, two hundred million, four thousand, twenty-two".

Divisors: 1 2 3 6 11 22 33 66 121 157 242 314 363 471 726 942 1331 1727 2662 3454 3993 5181 7986 10362 16111 18997 32222 37994 48333 56991 96666 113982 177221 208967 354442 417934 531663 626901 1063326 1253802 1949431 2529427 3898862 5058854 5848293 7588281 11696586 15176562 21443741 27823697 42887482 55647394 64331223 83471091 128662446 166942182 306060667 612121334 918182001 1836364002 3366667337 6733334674 10100002011 20200004022