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2000020112001 = 3427789139373
BaseRepresentation
bin11101000110101010011…
…111010000001010000001
321002012101211200122110000
4131012222133100022001
5230232020122041001
64130444020030213
7264332235311442
oct35065237201201
97065354618400
102000020112001
1170122723827a
1228374a832369
131167a7786772
146cb314072c9
1537059b51a86
hex1d1aa7d0281

2000020112001 has 20 divisors (see below), whose sum is σ = 2998470262612. Its totient is φ = 1328533200288.

The previous prime is 2000020111997. The next prime is 2000020112033. The reversal of 2000020112001 is 1002110200002.

It can be written as a sum of positive squares in 2 ways, for example, as 1061262590976 + 938757521025 = 1030176^2 + 968895^2 .

It is not a de Polignac number, because 2000020112001 - 22 = 2000020111997 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 (2000020112201) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44547250 + ... + 44592123.

Almost surely, 22000020112001 is an apocalyptic number.

It is an amenable number.

2000020112001 is a deficient number, since it is larger than the sum of its proper divisors (998450150611).

2000020112001 is an equidigital number, since it uses as much as digits as its factorization.

2000020112001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89139662 (or 89139653 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2000020112001 its reverse (1002110200002), we get a palindrome (3002130312003).

The spelling of 2000020112001 in words is "two trillion, twenty million, one hundred twelve thousand, one".

Divisors: 1 3 9 27 81 277 831 2493 7479 22437 89139373 267418119 802254357 2406763071 7220289213 24691606321 74074818963 222224456889 666673370667 2000020112001