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20423553532300 = 22521712013855019
BaseRepresentation
bin1001010010011001110101…
…01001110100000110001100
32200022110202120011021210201
410221030322221310012030
510134104414201013200
6111234241224143244
74205360460445162
oct451147251640614
980273676137721
1020423553532300
116564642589906
12235a27a907b24
13b51c1858a429
1450871063b232
152563e447dc6a
hex12933aa7418c

20423553532300 has 36 divisors (see below), whose sum is σ = 46926117708120. Its totient is φ = 7688867211520.

The previous prime is 20423553532271. The next prime is 20423553532301. The reversal of 20423553532300 is 323535532402.

It is a happy number.

It is a super-3 number, since 3×204235535323003 (a number of 41 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20423553532300.

It is not an unprimeable number, because it can be changed into a prime (20423553532301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6006925810 + ... + 6006929209.

It is an arithmetic number, because the mean of its divisors is an integer number (1303503269670).

Almost surely, 220423553532300 is an apocalyptic number.

20423553532300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20423553532300 is an abundant number, since it is smaller than the sum of its proper divisors (26502564175820).

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

20423553532300 is a wasteful number, since it uses less digits than its factorization.

20423553532300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013855050 (or 12013855043 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 37.

The spelling of 20423553532300 in words is "twenty trillion, four hundred twenty-three billion, five hundred fifty-three million, five hundred thirty-two thousand, three hundred".

Divisors: 1 2 4 5 10 17 20 25 34 50 68 85 100 170 340 425 850 1700 12013855019 24027710038 48055420076 60069275095 120138550190 204235535323 240277100380 300346375475 408471070646 600692750950 816942141292 1021177676615 1201385501900 2042355353230 4084710706460 5105888383075 10211776766150 20423553532300