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2020013333121 = 371741557247769
BaseRepresentation
bin11101011001010010001…
…011010101101010000001
321011010000012110111211010
4131121102023111222001
5231043441403124441
64143551544111133
7265640546013030
oct35312213255201
97133005414733
102020013333121
11709756957213
122875aa4654a9
13118642929a14
146daaa846717
1537829ece116
hex1d6522d5a81

2020013333121 has 64 divisors (see below), whose sum is σ = 3344680926720. Its totient is φ = 1057989181440.

The previous prime is 2020013333119. The next prime is 2020013333141. The reversal of 2020013333121 is 1213333100202.

It is not a de Polignac number, because 2020013333121 - 21 = 2020013333119 is a prime.

It is a super-2 number, since 2×20200133331212 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2020013333101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8028925 + ... + 8276693.

It is an arithmetic number, because the mean of its divisors is an integer number (52260639480).

Almost surely, 22020013333121 is an apocalyptic number.

2020013333121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020013333121 is a deficient number, since it is larger than the sum of its proper divisors (1324667593599).

2020013333121 is a wasteful number, since it uses less digits than its factorization.

2020013333121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248394.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2020013333121 its reverse (1213333100202), we get a palindrome (3233346433323).

The spelling of 2020013333121 in words is "two trillion, twenty billion, thirteen million, three hundred thirty-three thousand, one hundred twenty-one".

Divisors: 1 3 7 17 21 41 51 119 123 287 357 557 697 861 1671 2091 3899 4879 9469 11697 14637 22837 28407 66283 68511 159859 198849 247769 388229 479577 743307 1164687 1734383 2717603 4212073 5203149 8152809 10158529 12636219 29484511 30475587 71109703 88453533 138007333 172694993 213329109 414021999 518084979 966051331 1208864951 2346124661 2898153993 3626594853 5658300653 7038373983 16422872627 16974901959 39608104571 49268617881 96191111101 118824313713 288573333303 673337777707 2020013333121