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202201310220 = 2235713115332119
BaseRepresentation
bin1011110001010000100…
…0110010010000001100
3201022220202102211102120
42330110020302100030
511303102013411340
6232520123452540
720415510531030
oct2742410622014
9638822384376
10202201310220
1178831406148
1233230987150
13160b53bbcc0
149b025c01c0
1553d684e4d0
hex2f1423240c

202201310220 has 192 divisors, whose sum is σ = 697442887680. Its totient is φ = 42623926272.

The previous prime is 202201310183. The next prime is 202201310231. The reversal of 202201310220 is 22013102202.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 202201310220.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6279321 + ... + 6311439.

It is an arithmetic number, because the mean of its divisors is an integer number (3632515040).

Almost surely, 2202201310220 is an apocalyptic number.

202201310220 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 202201310220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348721443840).

202201310220 is an abundant number, since it is smaller than the sum of its proper divisors (495241577460).

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

202201310220 is a wasteful number, since it uses less digits than its factorization.

202201310220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33304 (or 33302 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 202201310220 its reverse (22013102202), we get a palindrome (224214412422).

The spelling of 202201310220 in words is "two hundred two billion, two hundred one million, three hundred ten thousand, two hundred twenty".