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420232344020 = 225611632113207
BaseRepresentation
bin1100001110101111100…
…11001011000111010100
31111011200201021221022122
412013113303023013110
523341113440002040
6521015125315112
742234514662506
oct6072763130724
91434621257278
10420232344020
11152246225975
126953ab65a98
13308211b6138
14164a7289d76
15ade7c5c1b5
hex61d7ccb1d4

420232344020 has 48 divisors (see below), whose sum is σ = 902458155648. Its totient is φ = 164322898560.

The previous prime is 420232344019. The next prime is 420232344023. The reversal of 420232344020 is 20443232024.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420232344023) 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, 857744 + ... + 1255463.

It is an arithmetic number, because the mean of its divisors is an integer number (18801211576).

Almost surely, 2420232344020 is an apocalyptic number.

It is an amenable number.

420232344020 is an abundant number, since it is smaller than the sum of its proper divisors (482225811628).

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

420232344020 is a wasteful number, since it uses less digits than its factorization.

420232344020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2113440 (or 2113438 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 420232344020 its reverse (20443232024), we get a palindrome (440675576044).

The spelling of 420232344020 in words is "four hundred twenty billion, two hundred thirty-two million, three hundred forty-four thousand, twenty".

Divisors: 1 2 4 5 10 20 61 122 163 244 305 326 610 652 815 1220 1630 3260 9943 19886 39772 49715 99430 198860 2113207 4226414 8452828 10566035 21132070 42264140 128905627 257811254 344452741 515622508 644528135 688905482 1289056270 1377810964 1722263705 2578112540 3444527410 6889054820 21011617201 42023234402 84046468804 105058086005 210116172010 420232344020