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10200311121220 = 2251171653028881
BaseRepresentation
bin1001010001101111000111…
…1010111100010101000100
31100010010210012221112101221
42110123301322330111010
52314110214121334340
633405542551330124
72101643134650253
oct224336172742504
940103705845357
1010200311121220
113282a227851a0
121188a7b680944
1358cb67a6a49c
142739aa67a79a
1512a50087144a
hex946f1ebc544

10200311121220 has 48 divisors (see below), whose sum is σ = 23697112070016. Its totient is φ = 3656961728000.

The previous prime is 10200311121193. The next prime is 10200311121227. The reversal of 10200311121220 is 2212111300201.

10200311121220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 10200311121194 and 10200311121203.

It is not an unprimeable number, because it can be changed into a prime (10200311121227) 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, 326498821 + ... + 326530060.

It is an arithmetic number, because the mean of its divisors is an integer number (493689834792).

Almost surely, 210200311121220 is an apocalyptic number.

10200311121220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10200311121220 is an abundant number, since it is smaller than the sum of its proper divisors (13496800948796).

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

10200311121220 is a wasteful number, since it uses less digits than its factorization.

10200311121220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653028972 (or 653028970 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 10200311121220 its reverse (2212111300201), we get a palindrome (12412422421421).

The spelling of 10200311121220 in words is "ten trillion, two hundred billion, three hundred eleven million, one hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 71 110 142 220 284 355 710 781 1420 1562 3124 3905 7810 15620 653028881 1306057762 2612115524 3265144405 6530288810 7183317691 13060577620 14366635382 28733270764 35916588455 46365050551 71833176910 92730101102 143666353820 185460202204 231825252755 463650505510 510015556061 927301011020 1020031112122 2040062224244 2550077780305 5100155560610 10200311121220