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2010101212020 = 2235113429788801
BaseRepresentation
bin11101010000000011010…
…111100110001101110100
321010011102102001120212210
4131100003113212031310
5230413141402241040
64135232221013420
7265140116250546
oct35200327461564
97104372046783
102010101212020
1170552a8049a0
122856a29b4270
131177231cabc5
146d40a23b696
1537449bce480
hex1d4035e6374

2010101212020 has 96 divisors (see below), whose sum is σ = 6140193687936. Its totient is φ = 487277568000.

The previous prime is 2010101211997. The next prime is 2010101212057. The reversal of 2010101212020 is 202121010102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 2010101211987 and 2010101212005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22591620 + ... + 22680420.

It is an arithmetic number, because the mean of its divisors is an integer number (63960350916).

Almost surely, 22010101212020 is an apocalyptic number.

2010101212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2010101212020 is an abundant number, since it is smaller than the sum of its proper divisors (4130092475916).

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

2010101212020 is a wasteful number, since it uses less digits than its factorization.

2010101212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123121 (or 123119 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 2010101212020 its reverse (202121010102), we get a palindrome (2212222222122).

The spelling of 2010101212020 in words is "two trillion, ten billion, one hundred one million, two hundred twelve thousand, twenty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 34297 68594 88801 102891 137188 171485 177602 205782 266403 342970 355204 377267 411564 444005 514455 532806 685940 754534 888010 976811 1028910 1065612 1131801 1332015 1509068 1776020 1886335 1953622 2057820 2263602 2664030 2930433 3772670 3907244 4527204 4884055 5328060 5659005 5860866 7545340 9768110 11318010 11721732 14652165 19536220 22636020 29304330 58608660 3045607897 6091215794 9136823691 12182431588 15228039485 18273647382 30456078970 33501686867 36547294764 45684118455 60912157940 67003373734 91368236910 100505060601 134006747468 167508434335 182736473820 201010121202 335016868670 402020242404 502525303005 670033737340 1005050606010 2010101212020