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2020001100012 = 2233711897224591
BaseRepresentation
bin11101011001010001011…
…100101011000011101100
321011002222100110000011000
4131121101130223003230
5231043430240200022
64143550430000300
7265640340023010
oct35312134530354
97132870400130
102020001100012
1170974aa61305
122875a6346090
131186402358ac
146daa8d80540
1537828db46ac
hex1d65172b0ec

2020001100012 has 96 divisors (see below), whose sum is σ = 5985718179840. Its totient is φ = 577092090240.

The previous prime is 2020001099939. The next prime is 2020001100037. The reversal of 2020001100012 is 2100011000202.

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

It is a junction number, because it is equal to n+sod(n) for n = 2020001099967 and 2020001100003.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8881837 + ... + 9106427.

It is an arithmetic number, because the mean of its divisors is an integer number (62351231040).

Almost surely, 22020001100012 is an apocalyptic number.

It is an amenable number.

2020001100012 is an abundant number, since it is smaller than the sum of its proper divisors (3965717079828).

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

2020001100012 is a wasteful number, since it uses less digits than its factorization.

2020001100012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236508 (or 236500 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2020001100012 its reverse (2100011000202), we get a palindrome (4120012100214).

The spelling of 2020001100012 in words is "two trillion, twenty billion, one million, one hundred thousand, twelve".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 11897 23794 35691 47588 71382 83279 107073 142764 166558 214146 224591 249837 321219 333116 428292 449182 499674 642438 673773 749511 898364 999348 1284876 1347546 1499022 1572137 2021319 2248533 2695092 2998044 3144274 4042638 4497066 4716411 6063957 6288548 8085276 8994132 9432822 12127914 14149233 18865644 24255828 28298466 42447699 56596932 84895398 169790796 2671959127 5343918254 8015877381 10687836508 16031754762 18703713889 24047632143 32063509524 37407427778 48095264286 56111141667 72142896429 74814855556 96190528572 112222283334 144285792858 168333425001 224444566668 288571585716 336666850002 505000275003 673333700004 1010000550006 2020001100012