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22000200220 = 2256118032951
BaseRepresentation
bin10100011111010100…
…000110101000011100
32002210020020222010101
4110133110012220130
5330024022401340
614035020350444
71406120421265
oct243724065034
962706228111
1022000200220
11936a5a3059
12431b9a5424
1320c7bc216b
1410c9bd396c
1588b66cc9a
hex51f506a1c

22000200220 has 24 divisors (see below), whose sum is σ = 46957807008. Its totient is φ = 8655816000.

The previous prime is 22000200193. The next prime is 22000200247. The reversal of 22000200220 is 2200200022.

It is an interprime number because it is at equal distance from previous prime (22000200193) and next prime (22000200247).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 22000200197 and 22000200206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9015256 + ... + 9017695.

It is an arithmetic number, because the mean of its divisors is an integer number (1956575292).

Almost surely, 222000200220 is an apocalyptic number.

22000200220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22000200220 is an abundant number, since it is smaller than the sum of its proper divisors (24957606788).

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

22000200220 is a wasteful number, since it uses less digits than its factorization.

22000200220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18033021 (or 18033019 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22000200220 its reverse (2200200022), we get a palindrome (24200400242).

The spelling of 22000200220 in words is "twenty-two billion, two hundred thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 61 122 244 305 610 1220 18032951 36065902 72131804 90164755 180329510 360659020 1100010011 2200020022 4400040044 5500050055 11000100110 22000200220