Search a number
-
+
20003120202 = 2313231636353
BaseRepresentation
bin10010101000010001…
…110110010001001010
31220122001101210100210
4102220101312101022
5311431244321302
613104520141550
71305460500462
oct225021662112
956561353323
1020003120202
1185352702aa
123a630078b6
131b6a22ac00
14d7a898ba2
157c118566c
hex4a847644a

20003120202 has 48 divisors (see below), whose sum is σ = 44717868288. Its totient is φ = 5956254720.

The previous prime is 20003120201. The next prime is 20003120231. The reversal of 20003120202 is 20202130002.

It is not an unprimeable number, because it can be changed into a prime (20003120201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 286743 + ... + 349610.

It is an arithmetic number, because the mean of its divisors is an integer number (931622256).

Almost surely, 220003120202 is an apocalyptic number.

20003120202 is an abundant number, since it is smaller than the sum of its proper divisors (24714748086).

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

20003120202 is a wasteful number, since it uses less digits than its factorization.

20003120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 636415 (or 636402 counting only the distinct ones).

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

Adding to 20003120202 its reverse (20202130002), we get a palindrome (40205250204).

The spelling of 20003120202 in words is "twenty billion, three million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 3 6 13 26 31 39 62 78 93 169 186 338 403 507 806 1014 1209 2418 5239 10478 15717 31434 636353 1272706 1909059 3818118 8272589 16545178 19726943 24817767 39453886 49635534 59180829 107543657 118361658 215087314 256450259 322630971 512900518 645261942 769350777 1538701554 3333853367 6667706734 10001560101 20003120202