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20002202220030 = 23517187920872807
BaseRepresentation
bin1001000110001001000000…
…01010000111010111111110
32121211012011212022212121120
410203010200022013113332
510110204002232020110
6110312515043211410
74133053134415302
oct443044012072776
977735155285546
1020002202220030
116411982773598
1222b0689076b66
13b21279611a04
144d217c915d02
1524a483390870
hex1231202875fe

20002202220030 has 64 divisors (see below), whose sum is σ = 50856179235840. Its totient is φ = 5017488597504.

The previous prime is 20002202220017. The next prime is 20002202220031. The reversal of 20002202220030 is 3002220220002.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 20002202219991 and 20002202220009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002202220031) 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, 9478114 + ... + 11394693.

It is an arithmetic number, because the mean of its divisors is an integer number (794627800560).

Almost surely, 220002202220030 is an apocalyptic number.

20002202220030 is an abundant number, since it is smaller than the sum of its proper divisors (30853977015810).

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

20002202220030 is a wasteful number, since it uses less digits than its factorization.

20002202220030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20874713.

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 20002202220030 its reverse (3002220220002), we get a palindrome (23004422440032).

The spelling of 20002202220030 in words is "twenty trillion, two billion, two hundred two million, two hundred twenty thousand, thirty".

Divisors: 1 2 3 5 6 10 15 17 30 34 51 85 102 170 255 510 1879 3758 5637 9395 11274 18790 28185 31943 56370 63886 95829 159715 191658 319430 479145 958290 20872807 41745614 62618421 104364035 125236842 208728070 313092105 354837719 626184210 709675438 1064513157 1774188595 2129026314 3548377190 5322565785 10645131570 39220004353 78440008706 117660013059 196100021765 235320026118 392200043530 588300065295 666740074001 1176600130590 1333480148002 2000220222003 3333700370005 4000440444006 6667400740010 10001101110015 20002202220030