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2020011110001 = 32398475632687
BaseRepresentation
bin11101011001010010000…
…010110110111001110001
321011010000001021120021100
4131121102002312321301
5231043440321010001
64143551424315013
7265640521063443
oct35312202667161
97133001246240
102020011110001
11709755678a25
122875a9772a69
1311864232bb71
146daaa428493
1537829be0586
hex1d6520b6e71

2020011110001 has 12 divisors (see below), whose sum is σ = 2917867568512. Its totient is φ = 1346640038136.

The previous prime is 2020011109981. The next prime is 2020011110011. The reversal of 2020011110001 is 1000111100202.

It is a happy number.

It is not a de Polignac number, because 2020011110001 - 219 = 2020010585713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020011110011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2457721 + ... + 3174966.

Almost surely, 22020011110001 is an apocalyptic number.

It is an amenable number.

2020011110001 is a deficient number, since it is larger than the sum of its proper divisors (897856458511).

2020011110001 is a wasteful number, since it uses less digits than its factorization.

2020011110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5672540 (or 5672537 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 2020011110001 its reverse (1000111100202), we get a palindrome (3020122210203).

The spelling of 2020011110001 in words is "two trillion, twenty billion, eleven million, one hundred ten thousand, one".

Divisors: 1 3 9 39847 119541 358623 5632687 16898061 50694183 224445678889 673337036667 2020011110001