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20302103332 = 22741139912641
BaseRepresentation
bin10010111010000110…
…011000001100100100
31221101212222201010001
4102322012120030210
5313034314301312
613154320311044
71316051013430
oct227206301444
957355881101
1020302103332
11867900a7a5
123b27172484
131bb7160bc4
14da84859c0
157dc543057
hex4ba198324

20302103332 has 48 divisors (see below), whose sum is σ = 41627577600. Its totient is φ = 8481945600.

The previous prime is 20302103279. The next prime is 20302103347. The reversal of 20302103332 is 23330120302.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1599732 + ... + 1612372.

It is an arithmetic number, because the mean of its divisors is an integer number (867241200).

Almost surely, 220302103332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20302103332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20813788800).

20302103332 is an abundant number, since it is smaller than the sum of its proper divisors (21325474268).

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

20302103332 is a wasteful number, since it uses less digits than its factorization.

20302103332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14092 (or 14090 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 20302103332 its reverse (23330120302), we get a palindrome (43632223634).

The spelling of 20302103332 in words is "twenty billion, three hundred two million, one hundred three thousand, three hundred thirty-two".

Divisors: 1 2 4 7 14 28 41 82 164 287 574 1148 1399 2798 5596 9793 12641 19586 25282 39172 50564 57359 88487 114718 176974 229436 353948 401513 518281 803026 1036562 1606052 2073124 3627967 7255934 14511868 17684759 35369518 70739036 123793313 247586626 495173252 725075119 1450150238 2900300476 5075525833 10151051666 20302103332