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13002224220 = 22335411314483
BaseRepresentation
bin11000001101111111…
…00011001001011100
31020120010222102112000
430012333203021130
5203112032133340
65550110442300
7640131040146
oct140677431134
936503872460
1013002224220
115572464557
12262a503390
1312c29a01cb
148b4b87c96
15511740d30
hex306fe325c

13002224220 has 192 divisors, whose sum is σ = 41763617280. Its totient is φ = 3356121600.

The previous prime is 13002224171. The next prime is 13002224273. The reversal of 13002224220 is 2242220031.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13002224193 and 13002224202.

It is a congruent number.

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, 2898099 + ... + 2902581.

It is an arithmetic number, because the mean of its divisors is an integer number (217518840).

Almost surely, 213002224220 is an apocalyptic number.

13002224220 is a gapful number since it is divisible by the number (10) 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 13002224220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20881808640).

13002224220 is an abundant number, since it is smaller than the sum of its proper divisors (28761393060).

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

13002224220 is a wasteful number, since it uses less digits than its factorization.

13002224220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4673 (or 4665 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 13002224220 its reverse (2242220031), we get a palindrome (15244444251).

The spelling of 13002224220 in words is "thirteen billion, two million, two hundred twenty-four thousand, two hundred twenty".