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20202202200 = 23352193734751
BaseRepresentation
bin10010110100001001…
…010010010001011000
31221010221000012112010
4102310021102101120
5312333230432300
613140351145520
71313425612455
oct226411222130
957127005463
1020202202200
118627686584
123ab98152a0
131b9c5533cb
14d990bc82c
157d38aca50
hex4b4252458

20202202200 has 192 divisors, whose sum is σ = 66113625600. Its totient is φ = 5088960000.

The previous prime is 20202202193. The next prime is 20202202217. The reversal of 20202202200 is 220220202.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4249825 + ... + 4254575.

It is an arithmetic number, because the mean of its divisors is an integer number (344341800).

Almost surely, 220202202200 is an apocalyptic number.

20202202200 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 20202202200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33056812800).

20202202200 is an abundant number, since it is smaller than the sum of its proper divisors (45911423400).

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

20202202200 is a wasteful number, since it uses less digits than its factorization.

20202202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5162 (or 5153 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20202202200 its reverse (220220202), we get a palindrome (20422422402).

The spelling of 20202202200 in words is "twenty billion, two hundred two million, two hundred two thousand, two hundred".