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20031330102 = 2372671178561
BaseRepresentation
bin10010101001111101…
…011101011100110110
31220201000111000001220
4102221331131130312
5312011010030402
613111404531210
71306252332210
oct225175353466
956630430056
1020031330102
11854a188873
123a70550b06
131b73027164
14d8051d5b0
157c38a8dbc
hex4a9f5d736

20031330102 has 32 divisors (see below), whose sum is σ = 45803295744. Its totient is φ = 5721062400.

The previous prime is 20031330091. The next prime is 20031330103. The reversal of 20031330102 is 20103313002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20031330103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22902 + ... + 201462.

It is an arithmetic number, because the mean of its divisors is an integer number (1431352992).

Almost surely, 220031330102 is an apocalyptic number.

20031330102 is an abundant number, since it is smaller than the sum of its proper divisors (25771965642).

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

20031330102 is a wasteful number, since it uses less digits than its factorization.

20031330102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181244.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 20031330102 its reverse (20103313002), we get a palindrome (40134643104).

The spelling of 20031330102 in words is "twenty billion, thirty-one million, three hundred thirty thousand, one hundred two".

Divisors: 1 2 3 6 7 14 21 42 2671 5342 8013 16026 18697 37394 56091 112182 178561 357122 535683 1071366 1249927 2499854 3749781 7499562 476936431 953872862 1430809293 2861618586 3338555017 6677110034 10015665051 20031330102