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20213203430024 = 231117110312249773
BaseRepresentation
bin1001001100010010000001…
…10011110110101010001000
32122120100210220022221010222
410212021000303312222020
510122133120034230044
6110553452323325212
74154233011204653
oct446110063665210
978510726287128
1020213203430024
11649340a419680
122325554b20808
13b38134b901a7
144dc477b0089a
15250bd25428ee
hex126240cf6a88

20213203430024 has 64 divisors (see below), whose sum is σ = 43816951607040. Its totient is φ = 8639519196160.

The previous prime is 20213203430023. The next prime is 20213203430153. The reversal of 20213203430024 is 42003430231202.

It is a junction number, because it is equal to n+sod(n) for n = 20213203429975 and 20213203430002.

It is not an unprimeable number, because it can be changed into a prime (20213203430023) 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, 4474799 + ... + 7774974.

It is an arithmetic number, because the mean of its divisors is an integer number (684639868860).

Almost surely, 220213203430024 is an apocalyptic number.

It is an amenable number.

20213203430024 is an abundant number, since it is smaller than the sum of its proper divisors (23603748177016).

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

20213203430024 is a wasteful number, since it uses less digits than its factorization.

20213203430024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12250910 (or 12250906 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 20213203430024 its reverse (42003430231202), we get a palindrome (62216633661226).

The spelling of 20213203430024 in words is "twenty trillion, two hundred thirteen billion, two hundred three million, four hundred thirty thousand, twenty-four".

Divisors: 1 2 4 8 11 17 22 34 44 68 88 136 187 374 748 1103 1496 2206 4412 8824 12133 18751 24266 37502 48532 75004 97064 150008 206261 412522 825044 1650088 12249773 24499546 48999092 97998184 134747503 208246141 269495006 416492282 538990012 832984564 1077980024 1665969128 2290707551 4581415102 9162830204 13511499619 18325660408 27022999238 54045998476 108091996952 148626495809 229695493523 297252991618 459390987046 594505983236 918781974092 1189011966472 1837563948184 2526650428753 5053300857506 10106601715012 20213203430024