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202202220000220 = 2251141101428951749
BaseRepresentation
bin101101111110011011011111…
…011111101111001111011100
3222111221100021101002021211021
4231332123133133233033130
5203000340121310001340
61554014230102533524
760406425336415456
oct5576333737571734
9874840241067737
10202202220000220
1159478530875360
121a81818a4372a4
1388a9783a572cb
1437d08d535b2d6
151859b2535de4a
hexb7e6df7ef3dc

202202220000220 has 192 divisors, whose sum is σ = 479344385520000. Its totient is φ = 71006535680000.

The previous prime is 202202220000181. The next prime is 202202220000223. The reversal of 202202220000220 is 22000022202202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202202220000194 and 202202220000203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202202220000223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3907338906 + ... + 3907390654.

It is an arithmetic number, because the mean of its divisors is an integer number (2496585341250).

Almost surely, 2202202220000220 is an apocalyptic number.

202202220000220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202202220000220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239672192760000).

202202220000220 is an abundant number, since it is smaller than the sum of its proper divisors (277142165519780).

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

202202220000220 is a wasteful number, since it uses less digits than its factorization.

202202220000220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56200 (or 56198 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 202202220000220 its reverse (22000022202202), we get a palindrome (224202242202422).

The spelling of 202202220000220 in words is "two hundred two trillion, two hundred two billion, two hundred twenty million, two hundred twenty", and thus it is an aban number.