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2022022021220 = 225138837282367
BaseRepresentation
bin11101011011001001111…
…001111000000001100100
321011022012012011102212122
4131123021321320001210
5231112100114134340
64144523141205112
7266041406411405
oct35331171700144
97138165142778
102022022021220
1170a597798323
12287a6b100798
131188a2b26766
146dc1b5239ac
15378e650adb5
hex1d6c9e78064

2022022021220 has 24 divisors (see below), whose sum is σ = 4246552687104. Its totient is φ = 808750438496.

The previous prime is 2022022021213. The next prime is 2022022021237. The reversal of 2022022021220 is 221202202202.

It is a super-2 number, since 2×20220220212202 (a number of 25 digits) contains 22 as substring.

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, 3363524 + ... + 3918843.

It is an arithmetic number, because the mean of its divisors is an integer number (176939695296).

Almost surely, 22022022021220 is an apocalyptic number.

2022022021220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2022022021220 is an abundant number, since it is smaller than the sum of its proper divisors (2224530665884).

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

2022022021220 is a wasteful number, since it uses less digits than its factorization.

2022022021220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7296259 (or 7296257 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2022022021220 its reverse (221202202202), we get a palindrome (2243224223422).

The spelling of 2022022021220 in words is "two trillion, twenty-two billion, twenty-two million, twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 13883 27766 55532 69415 138830 277660 7282367 14564734 29129468 36411835 72823670 145647340 101101101061 202202202122 404404404244 505505505305 1011011010610 2022022021220