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20012020010202 = 2311896803500791
BaseRepresentation
bin1001000110011011010010…
…10110000000110011011010
32121212010112002020021211210
410203031221112000303122
510110334104110311302
6110321221200403550
74133551340306253
oct443155126006332
977763462207753
1020012020010202
116416060646670
1222b25690165b6
13b221826334cc
144d28307a7b2a
1524a85a25a66c
hex123369580cda

20012020010202 has 64 divisors (see below), whose sum is σ = 44159758433280. Its totient is φ = 5995217500800.

The previous prime is 20012020010161. The next prime is 20012020010219. The reversal of 20012020010202 is 20201002021002.

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, 39710427 + ... + 40211217.

It is an arithmetic number, because the mean of its divisors is an integer number (689996225520).

Almost surely, 220012020010202 is an apocalyptic number.

20012020010202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 20012020010202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22079879216640).

20012020010202 is an abundant number, since it is smaller than the sum of its proper divisors (24147738423078).

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

20012020010202 is a wasteful number, since it uses less digits than its factorization.

20012020010202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507699.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20012020010202 its reverse (20201002021002), we get a palindrome (40213022031204).

The spelling of 20012020010202 in words is "twenty trillion, twelve billion, twenty million, ten thousand, two hundred two".

Divisors: 1 2 3 6 11 22 33 66 89 178 267 534 979 1958 2937 5874 6803 13606 20409 40818 74833 149666 224499 448998 500791 605467 1001582 1210934 1502373 1816401 3004746 3632802 5508701 6660137 11017402 13320274 16526103 19980411 33052206 39960822 44570399 89140798 133711197 267422394 490274389 980548778 1470823167 2941646334 3406881173 6813762346 10220643519 20441287038 37475692903 74951385806 112427078709 224854157418 303212424397 606424848794 909637273191 1819274546382 3335336668367 6670673336734 10006010005101 20012020010202