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20112002113020 = 22352909115228613
BaseRepresentation
bin1001001001010101100001…
…01111011101110111111100
32122012200121000012100202220
410210222300233131313330
510114003340020104040
6110435154244045340
74144021106204346
oct444526057356774
978180530170686
1020112002113020
1164544a7968304
122309a10993850
13b2b7275179ac
144d75d72ca296
1524d25cb0c2d0
hex124ab0bdddfc

20112002113020 has 48 divisors (see below), whose sum is σ = 56332964812320. Its totient is φ = 5361356859136.

The previous prime is 20112002112973. The next prime is 20112002113037. The reversal of 20112002113020 is 2031120021102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57439767 + ... + 57788846.

It is an arithmetic number, because the mean of its divisors is an integer number (1173603433590).

Almost surely, 220112002113020 is an apocalyptic number.

20112002113020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112002113020 is an abundant number, since it is smaller than the sum of its proper divisors (36220962699300).

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

20112002113020 is a wasteful number, since it uses less digits than its factorization.

20112002113020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115231534 (or 115231532 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20112002113020 its reverse (2031120021102), we get a palindrome (22143122134122).

The spelling of 20112002113020 in words is "twenty trillion, one hundred twelve billion, two million, one hundred thirteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2909 5818 8727 11636 14545 17454 29090 34908 43635 58180 87270 174540 115228613 230457226 345685839 460914452 576143065 691371678 1152286130 1382743356 1728429195 2304572260 3456858390 6913716780 335200035217 670400070434 1005600105651 1340800140868 1676000176085 2011200211302 3352000352170 4022400422604 5028000528255 6704000704340 10056001056510 20112002113020