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2020220021204 = 22711239186114747
BaseRepresentation
bin11101011001011110011…
…111110010100111010100
321011010112121101100120022
4131121132133302213110
5231044402311134304
64144024250124312
7265645635564140
oct35313637624724
97133477340508
102020220021204
11709852598010
12287647720698
131186766b6268
146daca08a220
153783d209ebe
hex1d65e7f29d4

2020220021204 has 96 divisors (see below), whose sum is σ = 4428873953280. Its totient is φ = 783331113600.

The previous prime is 2020220021201. The next prime is 2020220021251. The reversal of 2020220021204 is 4021200220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020220021201) 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, 136984559 + ... + 136999305.

It is an arithmetic number, because the mean of its divisors is an integer number (46134103680).

Almost surely, 22020220021204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2020220021204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2214436976640).

2020220021204 is an abundant number, since it is smaller than the sum of its proper divisors (2408653932076).

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

2020220021204 is a wasteful number, since it uses less digits than its factorization.

2020220021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16869 (or 16867 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2020220021204 its reverse (4021200220202), we get a palindrome (6041420241406).

The spelling of 2020220021204 in words is "two trillion, twenty billion, two hundred twenty million, twenty-one thousand, two hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 239 308 478 956 1673 1861 2629 3346 3722 5258 6692 7444 10516 13027 14747 18403 20471 26054 29494 36806 40942 52108 58988 73612 81884 103229 143297 162217 206458 286594 324434 412916 444779 573188 648868 889558 1135519 1779116 2271038 3113453 3524533 4542076 4892569 6226906 7049066 9785138 12453812 14098132 19570276 24671731 27444167 34247983 38769863 49343462 54888334 68495966 77539726 98686924 109776668 136991932 155079452 192109169 271389041 301885837 384218338 542778082 603771674 768436676 1085556164 1207543348 2113200859 4226401718 6559155913 8452803436 13118311826 26236623652 45914091391 72150715043 91828182782 144301430086 183656365564 288602860172 505055005301 1010110010602 2020220021204