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2020011111101 = 3403159357971
BaseRepresentation
bin11101011001010010000…
…010110111001010111101
321011010000001021121210002
4131121102002313022331
5231043440321023401
64143551424324045
7265640521066604
oct35312202671275
97133001247702
102020011111101
11709755679835
122875a9773625
1311864232c509
146daaa428a3b
1537829be0a6b
hex1d6520b72bd

2020011111101 has 4 divisors (see below), whose sum is σ = 2020070503104. Its totient is φ = 2019951719100.

The previous prime is 2020011111091. The next prime is 2020011111103. The reversal of 2020011111101 is 1011111100202.

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.

It is a cyclic number.

It is not a de Polignac number, because 2020011111101 - 210 = 2020011110077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020011111103) 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, 29644955 + ... + 29713016.

It is an arithmetic number, because the mean of its divisors is an integer number (505017625776).

Almost surely, 22020011111101 is an apocalyptic number.

It is an amenable number.

2020011111101 is a deficient number, since it is larger than the sum of its proper divisors (59392003).

2020011111101 is an equidigital number, since it uses as much as digits as its factorization.

2020011111101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59392002.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 2020011111101 its reverse (1011111100202), we get a palindrome (3031122211303).

The spelling of 2020011111101 in words is "two trillion, twenty billion, eleven million, one hundred eleven thousand, one hundred one".

Divisors: 1 34031 59357971 2020011111101