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1302230020020 = 2235191113632637
BaseRepresentation
bin10010111100110010111…
…101010010111110110100
311121111021122112012121020
4102330302331102332310
5132313431341120040
62434123004421140
7163040321351436
oct22746275227664
94544248465536
101302230020020
114622aa996246
1219046a2477b0
1395a52109c07
14470577dc656
1523d19ac1cd0
hex12f32f52fb4

1302230020020 has 48 divisors (see below), whose sum is σ = 3665334371328. Its totient is φ = 345443213440.

The previous prime is 1302230019971. The next prime is 1302230020027. The reversal of 1302230020020 is 200200322031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302230020027) 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, 56804859 + ... + 56827778.

It is an arithmetic number, because the mean of its divisors is an integer number (76361132736).

Almost surely, 21302230020020 is an apocalyptic number.

1302230020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302230020020 is an abundant number, since it is smaller than the sum of its proper divisors (2363104351308).

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

1302230020020 is a wasteful number, since it uses less digits than its factorization.

1302230020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113632840 (or 113632838 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 1302230020020 its reverse (200200322031), we get a palindrome (1502430342051).

The spelling of 1302230020020 in words is "one trillion, three hundred two billion, two hundred thirty million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 191 382 573 764 955 1146 1910 2292 2865 3820 5730 11460 113632637 227265274 340897911 454530548 568163185 681795822 1136326370 1363591644 1704489555 2272652740 3408979110 6817958220 21703833667 43407667334 65111501001 86815334668 108519168335 130223002002 217038336670 260446004004 325557505005 434076673340 651115010010 1302230020020