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2020010121021 = 31979014485353
BaseRepresentation
bin11101011001010001111…
…111000101011100111101
321011002222222102022122110
4131121101333011130331
5231043440042333041
64143551351204233
7265640506504224
oct35312177053475
97132888368573
102020010121021
11709755062992
122875a9376679
13118642073979
146daaa24bcbb
1537829a97516
hex1d651fc573d

2020010121021 has 16 divisors (see below), whose sum is σ = 2835461384640. Its totient is φ = 1275634108800.

The previous prime is 2020010120987. The next prime is 2020010121047. The reversal of 2020010121021 is 1201210100202.

It is not a de Polignac number, because 2020010121021 - 230 = 2018936379197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020010120988 and 2020010121006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020010121721) 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, 1792320 + ... + 2693033.

It is an arithmetic number, because the mean of its divisors is an integer number (177216336540).

Almost surely, 22020010121021 is an apocalyptic number.

It is an amenable number.

2020010121021 is a deficient number, since it is larger than the sum of its proper divisors (815451263619).

2020010121021 is a wasteful number, since it uses less digits than its factorization.

2020010121021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493276.

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

Adding to 2020010121021 its reverse (1201210100202), we get a palindrome (3221220221223).

The spelling of 2020010121021 in words is "two trillion, twenty billion, ten million, one hundred twenty-one thousand, twenty-one".

Divisors: 1 3 19 57 7901 23703 150119 450357 4485353 13456059 85221707 255665121 35438774053 106316322159 673336707007 2020010121021