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1235420302020 = 223561333589459
BaseRepresentation
bin10001111110100100110…
…010011100101011000100
311101002211120020212220020
4101332210302130223010
5130220120044131040
62343313320335140
7155153603205462
oct21764462345304
94332746225806
101235420302020
11436a3660a273
1217b5239144b0
138c66590a9b8
1443b1a7a1832
15222095decd0
hex11fa4c9cac4

1235420302020 has 48 divisors (see below), whose sum is σ = 3464819977920. Its totient is φ = 328907972736.

The previous prime is 1235420302019. The next prime is 1235420302031. The reversal of 1235420302020 is 202030245321.

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, 16757950 + ... + 16831509.

It is an arithmetic number, because the mean of its divisors is an integer number (72183749540).

Almost surely, 21235420302020 is an apocalyptic number.

1235420302020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1235420302020 is an abundant number, since it is smaller than the sum of its proper divisors (2229399675900).

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

1235420302020 is a wasteful number, since it uses less digits than its factorization.

1235420302020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33590084 (or 33590082 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 1235420302020 its reverse (202030245321), we get a palindrome (1437450547341).

The spelling of 1235420302020 in words is "one trillion, two hundred thirty-five billion, four hundred twenty million, three hundred two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 613 1226 1839 2452 3065 3678 6130 7356 9195 12260 18390 36780 33589459 67178918 100768377 134357836 167947295 201536754 335894590 403073508 503841885 671789180 1007683770 2015367540 20590338367 41180676734 61771015101 82361353468 102951691835 123542030202 205903383670 247084060404 308855075505 411806767340 617710151010 1235420302020