Search a number
-
+
202210210020 = 22357313755813
BaseRepresentation
bin1011110001010010101…
…0101111000011100100
3201022221101011222122210
42330110222233003210
511303111303210040
6232521042323420
720415646266000
oct2742452570344
9638841158583
10202210210020
1178836434755
1233233959570
13160b71b6b60
149b03859700
1553d750b480
hex2f14aaf0e4

202210210020 has 192 divisors, whose sum is σ = 711069811200. Its totient is φ = 42664075776.

The previous prime is 202210209973. The next prime is 202210210051. The reversal of 202210210020 is 20012012202.

202210210020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 202210209978 and 202210210005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110367 + ... + 645446.

It is an arithmetic number, because the mean of its divisors is an integer number (3703488600).

Almost surely, 2202210210020 is an apocalyptic number.

202210210020 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 202210210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355534905600).

202210210020 is an abundant number, since it is smaller than the sum of its proper divisors (508859601180).

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

202210210020 is a wasteful number, since it uses less digits than its factorization.

202210210020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755859 (or 755843 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202210210020 its reverse (20012012202), we get a palindrome (222222222222).

The spelling of 202210210020 in words is "two hundred two billion, two hundred ten million, two hundred ten thousand, twenty".