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20542401300 = 2235268474671
BaseRepresentation
bin10011001000011011…
…000010101100010100
31222000122011002221210
4103020123002230110
5314032323320200
613234222541420
71325026346541
oct231033025424
958018132853
1020542401300
118791717163
123b93737870
131c24b87555
14dcc357bc8
158036ac650
hex4c86c2b14

20542401300 has 36 divisors (see below), whose sum is σ = 59436015296. Its totient is φ = 5477973600.

The previous prime is 20542401293. The next prime is 20542401331. The reversal of 20542401300 is 310424502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34237036 + ... + 34237635.

Almost surely, 220542401300 is an apocalyptic number.

20542401300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20542401300 is an abundant number, since it is smaller than the sum of its proper divisors (38893613996).

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

20542401300 is a wasteful number, since it uses less digits than its factorization.

20542401300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68474688 (or 68474681 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

Adding to 20542401300 its reverse (310424502), we get a palindrome (20852825802).

The spelling of 20542401300 in words is "twenty billion, five hundred forty-two million, four hundred one thousand, three hundred".

Divisors: 1 2 3 4 5 6 10 12 15 20 25 30 50 60 75 100 150 300 68474671 136949342 205424013 273898684 342373355 410848026 684746710 821696052 1027120065 1369493420 1711866775 2054240130 3423733550 4108480260 5135600325 6847467100 10271200650 20542401300