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202011102010020 = 223523146384856529
BaseRepresentation
bin101101111011101001011111…
…111110011101101010100100
3222111021001222000212110012210
4231323221133332131222210
5202434222214103310040
61553350341421043420
760356551266331662
oct5573513776355244
9874231860773183
10202011102010020
1159404477736626
121a7a71313b6570
138894746916244
1437c5564b39c32
151854b8ba5b480
hexb7ba5ff9daa4

202011102010020 has 48 divisors (see below), whose sum is σ = 590223741528960. Its totient is φ = 51527469497856.

The previous prime is 202011102010007. The next prime is 202011102010027. The reversal of 202011102010020 is 20010201110202.

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 = 202011102009978 and 202011102010005.

It is not an unprimeable number, because it can be changed into a prime (202011102010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73192426885 + ... + 73192429644.

It is an arithmetic number, because the mean of its divisors is an integer number (12296327948520).

Almost surely, 2202011102010020 is an apocalyptic number.

202011102010020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202011102010020 is an abundant number, since it is smaller than the sum of its proper divisors (388212639518940).

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

202011102010020 is a wasteful number, since it uses less digits than its factorization.

202011102010020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146384856564 (or 146384856562 counting only the distinct ones).

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

Adding to 202011102010020 its reverse (20010201110202), we get a palindrome (222021303120222).

The spelling of 202011102010020 in words is "two hundred two trillion, eleven billion, one hundred two million, ten thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 460 690 1380 146384856529 292769713058 439154569587 585539426116 731924282645 878309139174 1463848565290 1756618278348 2195772847935 2927697130580 3366851700167 4391545695870 6733703400334 8783091391740 10100555100501 13467406800668 16834258500835 20201110201002 33668517001670 40402220402004 50502775502505 67337034003340 101005551005010 202011102010020