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20202222212202 = 2343491329948341
BaseRepresentation
bin1001001011111101100100…
…10001110101010001101010
32122112022110121020021012210
410211332302101311101222
510121443122341242302
6110544434525545550
74153363620326442
oct445766221652152
978468417207183
1020202222212202
11648979484a148
1223233ab4152b6
13b370a4b10874
144dbb1551d122
1525078d46366c
hex125fb247546a

20202222212202 has 64 divisors (see below), whose sum is σ = 41441701593600. Its totient is φ = 6561946171200.

The previous prime is 20202222212141. The next prime is 20202222212209. The reversal of 20202222212202 is 20221222220202.

It is a super-2 number, since 2×202022222122022 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20202222212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 417886552 + ... + 417934892.

It is an arithmetic number, because the mean of its divisors is an integer number (647526587400).

Almost surely, 220202222212202 is an apocalyptic number.

20202222212202 is an abundant number, since it is smaller than the sum of its proper divisors (21239479381398).

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

20202222212202 is a wasteful number, since it uses less digits than its factorization.

20202222212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52179.

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 20202222212202 its reverse (20221222220202), we get a palindrome (40423444432404).

The spelling of 20202222212202 in words is "twenty trillion, two hundred two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred two".

Divisors: 1 2 3 6 43 86 129 258 491 982 1473 2946 3299 6598 9897 19794 21113 42226 48341 63339 96682 126678 141857 145023 283714 290046 425571 851142 1619809 2078663 3239618 4157326 4859427 6235989 9718854 12471978 23735431 47470862 69651787 71206293 139303574 142412586 159476959 208955361 318953918 417910722 478430877 956861754 1020623533 2041247066 3061870599 6123741198 6857509237 13715018474 20572527711 41145055422 78303186869 156606373738 234909560607 469819121214 3367037035367 6734074070734 10101111106101 20202222212202