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20302321302 = 234125322971
BaseRepresentation
bin10010111010000111…
…001101011010010110
31221101220101210010000
4102322013031122112
5313034343240202
613154325112130
71316052612054
oct227207153226
957356353100
1020302321302
11867914953a
123b27258646
131bb7209193
14da85011d4
157dc58791c
hex4ba1cd696

20302321302 has 20 divisors (see below), whose sum is σ = 45492238836. Its totient is φ = 6767440380.

The previous prime is 20302321297. The next prime is 20302321327. The reversal of 20302321302 is 20312320302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 62661324 + ... + 62661647.

Almost surely, 220302321302 is an apocalyptic number.

20302321302 is an abundant number, since it is smaller than the sum of its proper divisors (25189917534).

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

20302321302 is a wasteful number, since it uses less digits than its factorization.

20302321302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125322985 (or 125322976 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20302321302 its reverse (20312320302), we get a palindrome (40614641604).

The spelling of 20302321302 in words is "twenty billion, three hundred two million, three hundred twenty-one thousand, three hundred two".

Divisors: 1 2 3 6 9 18 27 54 81 162 125322971 250645942 375968913 751937826 1127906739 2255813478 3383720217 6767440434 10151160651 20302321302