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20423022301444 = 22713911113472189
BaseRepresentation
bin1001010010011000110101…
…11111010101000100000100
32200022102101112112222001211
410221030122333111010010
510134102322202121234
6111234112410101204
74205341350165160
oct451143277250404
980272345488054
1020423022301444
11656439a731244
12235a150a1a804
13b51b624bc049
1450869dc75ca0
152563b29e7164
hex12931afd5104

20423022301444 has 48 divisors (see below), whose sum is σ = 41143690134400. Its totient is φ = 8688954260736.

The previous prime is 20423022301411. The next prime is 20423022301447. The reversal of 20423022301444 is 44410322032402.

It is not an unprimeable number, because it can be changed into a prime (20423022301447) 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, 43015702 + ... + 43487890.

Almost surely, 220423022301444 is an apocalyptic number.

It is an amenable number.

20423022301444 is an abundant number, since it is smaller than the sum of its proper divisors (20720667832956).

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

20423022301444 is a wasteful number, since it uses less digits than its factorization.

20423022301444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 483452 (or 483450 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 20423022301444 its reverse (44410322032402), we get a palindrome (64833344333846).

The spelling of 20423022301444 in words is "twenty trillion, four hundred twenty-three billion, twenty-two million, three hundred one thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 139 278 556 973 1946 3892 11113 22226 44452 77791 155582 311164 472189 944378 1544707 1888756 3089414 3305323 6178828 6610646 10812949 13221292 21625898 43251796 65634271 131268542 262537084 459439897 918879794 1837759588 5247436357 10494872714 20989745428 36732054499 73464108998 146928217996 729393653623 1458787307246 2917574614492 5105755575361 10211511150722 20423022301444