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21032202000 = 243531953592
BaseRepresentation
bin10011100101100111…
…011110111100010000
32000021202210120012110
4103211213132330100
5321033220431000
613355001025320
71343124524115
oct234547367420
960252716173
1021032202000
118a13147727
1240ab785240
131ca24ab154
14103741690c
158316ad850
hex4e59def10

21032202000 has 480 divisors, whose sum is σ = 73976872320. Its totient is φ = 5124787200.

The previous prime is 21032201989. The next prime is 21032202007. The reversal of 21032202000 is 20223012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21032202007) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 356477971 + ... + 356478029.

It is an arithmetic number, because the mean of its divisors is an integer number (154118484).

Almost surely, 221032202000 is an apocalyptic number.

21032202000 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 21032202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36988436160).

21032202000 is an abundant number, since it is smaller than the sum of its proper divisors (52944670320).

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

21032202000 is a wasteful number, since it uses less digits than its factorization.

21032202000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 21032202000 its reverse (20223012), we get a palindrome (21052425012).

The spelling of 21032202000 in words is "twenty-one billion, thirty-two million, two hundred two thousand".