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2222110002020 = 2251761107141273
BaseRepresentation
bin100000010101100000000…
…100111100101101100100
321212102122200000000100012
4200111200010330231210
5242401340130031040
64420453453105352
7316353646241246
oct40254004745544
97772580000305
102222110002020
11787434190827
122ba7b0188258
1313170c43b77c
147979d188096
153cc0755d865
hex2056013cb64

2222110002020 has 48 divisors (see below), whose sum is σ = 5021925794928. Its totient is φ = 822844968960.

The previous prime is 2222110001999. The next prime is 2222110002023. The reversal of 2222110002020 is 202000112222.

It can be written as a sum of positive squares in 8 ways, for example, as 17621500516 + 2204488501504 = 132746^2 + 1484752^2 .

It is a super-2 number, since 2×22221100020202 (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2222110001986 and 2222110002004.

It is not an unprimeable number, because it can be changed into a prime (2222110002023) 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, 53549897 + ... + 53591376.

It is an arithmetic number, because the mean of its divisors is an integer number (104623454061).

Almost surely, 22222110002020 is an apocalyptic number.

2222110002020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222110002020 is an abundant number, since it is smaller than the sum of its proper divisors (2799815792908).

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

2222110002020 is a wasteful number, since it uses less digits than its factorization.

2222110002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107141360 (or 107141358 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 2222110002020 its reverse (202000112222), we get a palindrome (2424110114242).

The spelling of 2222110002020 in words is "two trillion, two hundred twenty-two billion, one hundred ten million, two thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 61 68 85 122 170 244 305 340 610 1037 1220 2074 4148 5185 10370 20740 107141273 214282546 428565092 535706365 1071412730 1821401641 2142825460 3642803282 6535617653 7285606564 9107008205 13071235306 18214016410 26142470612 32678088265 36428032820 65356176530 111105500101 130712353060 222211000202 444422000404 555527500505 1111055001010 2222110002020