Search a number
-
+
20331100002210 = 2352575147512333
BaseRepresentation
bin1001001111101101100111…
…11111100101011110100010
32122222122010022112100010120
410213312303333211132202
510131101043100032320
6111123551200141110
74165605416425524
oct447666377453642
978878108470116
1020331100002210
116529409a142a8
122344378307796
13b462a33593ca
1450405d947a14
15253cd2a05440
hex127db3fe57a2

20331100002210 has 64 divisors (see below), whose sum is σ = 48994115144832. Its totient is φ = 5399471046656.

The previous prime is 20331100002197. The next prime is 20331100002221. The reversal of 20331100002210 is 1220000113302.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 20331100002210.

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, 39427204 + ... + 39939536.

It is an arithmetic number, because the mean of its divisors is an integer number (765533049138).

Almost surely, 220331100002210 is an apocalyptic number.

20331100002210 is an abundant number, since it is smaller than the sum of its proper divisors (28663015142622).

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

20331100002210 is a wasteful number, since it uses less digits than its factorization.

20331100002210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517747.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20331100002210 its reverse (1220000113302), we get a palindrome (21551100115512).

The spelling of 20331100002210 in words is "twenty trillion, three hundred thirty-one billion, one hundred million, two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 257 514 771 1285 1542 2570 3855 5147 7710 10294 15441 25735 30882 51470 77205 154410 512333 1024666 1322779 1536999 2561665 2645558 3073998 3968337 5123330 6613895 7684995 7936674 13227790 15369990 19841685 39683370 131669581 263339162 395008743 658347905 790017486 1316695810 1975043715 2636977951 3950087430 5273955902 7910933853 13184889755 15821867706 26369779510 39554669265 79109338530 677703333407 1355406666814 2033110000221 3388516667035 4066220000442 6777033334070 10165550001105 20331100002210