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20321303002 = 27111310150501
BaseRepresentation
bin10010111011001111…
…100111100111011010
31221110020010011002221
4102323033213213122
5313104223144002
613200244014254
71316403140230
oct227317474732
957406104087
1020321303002
1186889337a0
123b3169138a
131bbb123c60
14daac42950
157de086c37
hex4bb3e79da

20321303002 has 32 divisors (see below), whose sum is σ = 40926824064. Its totient is φ = 7308360000.

The previous prime is 20321302987. The next prime is 20321303011. The reversal of 20321303002 is 20030312302.

20321303002 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 5073249 + ... + 5077252.

It is an arithmetic number, because the mean of its divisors is an integer number (1278963252).

Almost surely, 220321303002 is an apocalyptic number.

20321303002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20321303002 is an abundant number, since it is smaller than the sum of its proper divisors (20605521062).

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

20321303002 is a wasteful number, since it uses less digits than its factorization.

20321303002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10150534.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 20321303002 its reverse (20030312302), we get a palindrome (40351615304).

It can be divided in two parts, 20321 and 303002, that added together give a palindrome (323323).

The spelling of 20321303002 in words is "twenty billion, three hundred twenty-one million, three hundred three thousand, two".

Divisors: 1 2 7 11 13 14 22 26 77 91 143 154 182 286 1001 2002 10150501 20301002 71053507 111655511 131956513 142107014 223311022 263913026 781588577 923695591 1451521643 1563177154 1847391182 2903043286 10160651501 20321303002