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20000210202 = 2337449117841
BaseRepresentation
bin10010101000000110…
…101111110100011010
31220121211220221121000
4102220012233310122
5311430023211302
613104333525430
71305423660510
oct225006576432
956554827530
1020000210202
118533662a45
123a62043876
131b6974c50b
14d7a33c4b0
157c0cad31c
hex4a81afd1a

20000210202 has 64 divisors (see below), whose sum is σ = 50907744000. Its totient is φ = 5701570560.

The previous prime is 20000210159. The next prime is 20000210227. The reversal of 20000210202 is 20201200002.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110802 + ... + 228642.

It is an arithmetic number, because the mean of its divisors is an integer number (795433500).

Almost surely, 220000210202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20000210202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25453872000).

20000210202 is an abundant number, since it is smaller than the sum of its proper divisors (30907533798).

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

20000210202 is a wasteful number, since it uses less digits than its factorization.

20000210202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118308 (or 118302 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 20000210202 its reverse (20201200002), we get a palindrome (40201410204).

The spelling of 20000210202 in words is "twenty billion, two hundred ten thousand, two hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 449 898 1347 2694 3143 4041 6286 8082 9429 12123 18858 24246 28287 56574 84861 117841 169722 235682 353523 707046 824887 1060569 1649774 2121138 2474661 3181707 4949322 6363414 7423983 14847966 22271949 44543898 52910609 105821218 158731827 317463654 370374263 476195481 740748526 952390962 1111122789 1428586443 2222245578 2857172886 3333368367 6666736734 10000105101 20000210202