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20010222212200 = 23521123395458937
BaseRepresentation
bin1001000110010111111100…
…01011111101010001101000
32121211221212210100200121121
410203023332023331101220
510110321413341242300
6110320322535345024
74133455650262543
oct443137613752150
977757783320547
1020010222212200
1164153188563a0
1222b2146b22174
13b21c570347cc
144d26ddb0585a
1524a7a24d981a
hex1232fe2fd468

20010222212200 has 96 divisors (see below), whose sum is σ = 52959860976960. Its totient is φ = 6960077273600.

The previous prime is 20010222212153. The next prime is 20010222212209. The reversal of 20010222212200 is 221222201002.

It is not an unprimeable number, because it can be changed into a prime (20010222212209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 197678869 + ... + 197780068.

It is an arithmetic number, because the mean of its divisors is an integer number (551665218510).

Almost surely, 220010222212200 is an apocalyptic number.

20010222212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20010222212200 is an abundant number, since it is smaller than the sum of its proper divisors (32949638764760).

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

20010222212200 is a wasteful number, since it uses less digits than its factorization.

20010222212200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395458987 (or 395458978 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20010222212200 its reverse (221222201002), we get a palindrome (20231444413202).

The spelling of 20010222212200 in words is "twenty trillion, ten billion, two hundred twenty-two million, two hundred twelve thousand, two hundred".

Divisors: 1 2 4 5 8 10 11 20 22 23 25 40 44 46 50 55 88 92 100 110 115 184 200 220 230 253 275 440 460 506 550 575 920 1012 1100 1150 1265 2024 2200 2300 2530 4600 5060 6325 10120 12650 25300 50600 395458937 790917874 1581835748 1977294685 3163671496 3954589370 4350048307 7909178740 8700096614 9095555551 9886473425 15818357480 17400193228 18191111102 19772946850 21750241535 34800386456 36382222204 39545893700 43500483070 45477777755 72764444408 79091787400 87000966140 90955555510 100051111061 108751207675 174001932280 181911111020 200102222122 217502415350 227388888775 363822222040 400204444244 435004830700 454777777550 500255555305 800408888488 870009661400 909555555100 1000511110610 1819111110200 2001022221220 2501277776525 4002044442440 5002555553050 10005111106100 20010222212200