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2020001100001 = 11411231770187
BaseRepresentation
bin11101011001010001011…
…100101011000011100001
321011002222100110000010121
4131121101130223003201
5231043430240200001
64143550430000241
7265640340022663
oct35312134530341
97132870400117
102020001100001
1170974aa612a5
122875a6346081
131186402358a1
146daa8d80533
1537828db46a1
hex1d65172b0e1

2020001100001 has 4 divisors (see below), whose sum is σ = 2020004011312. Its totient is φ = 2019998188692.

The previous prime is 2020001099939. The next prime is 2020001100037. The reversal of 2020001100001 is 1000011000202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2020001100001 - 27 = 2020001099873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2020001100041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256030 + ... + 2026216.

It is an arithmetic number, because the mean of its divisors is an integer number (505001002828).

Almost surely, 22020001100001 is an apocalyptic number.

It is an amenable number.

2020001100001 is a deficient number, since it is larger than the sum of its proper divisors (2911311).

2020001100001 is a wasteful number, since it uses less digits than its factorization.

2020001100001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911310.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2020001100001 its reverse (1000011000202), we get a palindrome (3020012100203).

The spelling of 2020001100001 in words is "two trillion, twenty billion, one million, one hundred thousand, one".

Divisors: 1 1141123 1770187 2020001100001