Search a number
-
+
220220010212220 = 223251223444501179
BaseRepresentation
bin110010000100100111110111…
…011110110010101101111100
31001212201211100011010100111200
4302010213313132302231330
5212331041040103242340
62100211402010015500
764246241101312524
oct6204476736625574
91055654304110450
10220220010212220
1164194866706157
1220848143a17590
1395b5872403a35
143c549c3746684
151a6d663e81330
hexc849f77b2b7c

220220010212220 has 36 divisors (see below), whose sum is σ = 668000697644280. Its totient is φ = 58725336056544.

The previous prime is 220220010212113. The next prime is 220220010212273. The reversal of 220220010212220 is 22212010022022.

220220010212220 is a `hidden beast` number, since 2 + 2 + 0 + 220 + 0 + 10 + 212 + 220 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 220220010212193 and 220220010212202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 611722250410 + ... + 611722250769.

Almost surely, 2220220010212220 is an apocalyptic number.

220220010212220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220220010212220 is an abundant number, since it is smaller than the sum of its proper divisors (447780687432060).

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

220220010212220 is a wasteful number, since it uses less digits than its factorization.

220220010212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223444501194 (or 1223444501189 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 220220010212220 its reverse (22212010022022), we get a palindrome (242432020234242).

The spelling of 220220010212220 in words is "two hundred twenty trillion, two hundred twenty billion, ten million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 1223444501179 2446889002358 3670333503537 4893778004716 6117222505895 7340667007074 11011000510611 12234445011790 14681334014148 18351667517685 22022001021222 24468890023580 36703335035370 44044002042444 55055002553055 73406670070740 110110005106110 220220010212220