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10010122010020 = 2251161745910731
BaseRepresentation
bin1001000110101010100111…
…0001000011110110100100
31022102221212121120122020101
42101222221301003312210
52303001212213310040
633142330410513444
72052131104121506
oct221525161036644
938387777518211
1010010122010020
11320a2a5a02a60
121158041735884
13577c481c4772
142686c7571d76
151255bd8a209a
hex91aa9c43da4

10010122010020 has 48 divisors (see below), whose sum is σ = 23308218553536. Its totient is φ = 3580371504000.

The previous prime is 10010122009999. The next prime is 10010122010023. The reversal of 10010122010020 is 2001022101001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10010122009979 and 10010122010006.

It is not an unprimeable number, because it can be changed into a prime (10010122010023) 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, 372941946 + ... + 372968785.

It is an arithmetic number, because the mean of its divisors is an integer number (485587886532).

Almost surely, 210010122010020 is an apocalyptic number.

10010122010020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10010122010020 is an abundant number, since it is smaller than the sum of its proper divisors (13298096543516).

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

10010122010020 is a wasteful number, since it uses less digits than its factorization.

10010122010020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745910812 (or 745910810 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10010122010020 its reverse (2001022101001), we get a palindrome (12011144111021).

The spelling of 10010122010020 in words is "ten trillion, ten billion, one hundred twenty-two million, ten thousand, twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 61 110 122 220 244 305 610 671 1220 1342 2684 3355 6710 13420 745910731 1491821462 2983642924 3729553655 7459107310 8205018041 14918214620 16410036082 32820072164 41025090205 45500554591 82050180410 91001109182 164100360820 182002218364 227502772955 455005545910 500506100501 910011091820 1001012201002 2002024402004 2502530502505 5005061005010 10010122010020