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20001200000210 = 25111313986853147
BaseRepresentation
bin1001000110000111001000…
…11010111100110011010010
32121211002121000110211110222
410203003210122330303102
510110144424200001320
6110312231402153042
74133016244610522
oct443034432746322
977732530424428
1020001200000210
116411508a73a50
1222b04494b2782
13b21149aa8330
144d20c578b682
1524a4253c1825
hex1230e46bccd2

20001200000210 has 32 divisors (see below), whose sum is σ = 42296243919552. Its totient is φ = 6713689510080.

The previous prime is 20001200000203. The next prime is 20001200000213. The reversal of 20001200000210 is 1200000210002.

It is not an unprimeable number, because it can be changed into a prime (20001200000213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6993425144 + ... + 6993428003.

It is an arithmetic number, because the mean of its divisors is an integer number (1321757622486).

Almost surely, 220001200000210 is an apocalyptic number.

20001200000210 is an abundant number, since it is smaller than the sum of its proper divisors (22295043919342).

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

20001200000210 is a wasteful number, since it uses less digits than its factorization.

20001200000210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986853178.

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

Adding to 20001200000210 its reverse (1200000210002), we get a palindrome (21201200210212).

The spelling of 20001200000210 in words is "twenty trillion, one billion, two hundred million, two hundred ten", and thus it is an aban number.

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 13986853147 27973706294 69934265735 139868531470 153855384617 181829090911 307710769234 363658181822 769276923085 909145454555 1538553846170 1818290909110 2000120000021 4000240000042 10000600000105 20001200000210