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1302320020020 = 223521705333667
BaseRepresentation
bin10010111100111000010…
…100100111101000110100
311121111111220212200101120
4102330320110213220310
5132314122411120040
62434135541423540
7163042463344215
oct22747024475064
94544456780346
101302320020020
11462346777608
1219049440abb0
1395a6795bb56
144706574940c
1523d2294d7d0
hex12f38527a34

1302320020020 has 24 divisors (see below), whose sum is σ = 3646496056224. Its totient is φ = 347285338656.

The previous prime is 1302320019989. The next prime is 1302320020039. The reversal of 1302320020020 is 200200232031.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10852666774 + ... + 10852666893.

It is an arithmetic number, because the mean of its divisors is an integer number (151937335676).

Almost surely, 21302320020020 is an apocalyptic number.

1302320020020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1302320020020 is an abundant number, since it is smaller than the sum of its proper divisors (2344176036204).

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

1302320020020 is a wasteful number, since it uses less digits than its factorization.

1302320020020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21705333679 (or 21705333677 counting only the distinct ones).

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

Adding to 1302320020020 its reverse (200200232031), we get a palindrome (1502520252051).

The spelling of 1302320020020 in words is "one trillion, three hundred two billion, three hundred twenty million, twenty thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 21705333667 43410667334 65116001001 86821334668 108526668335 130232002002 217053336670 260464004004 325580005005 434106673340 651160010010 1302320020020