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2020041101 = 131217127681
BaseRepresentation
bin111100001100111…
…0110000110001101
312012210001201110002
41320121312012031
513114112303401
6532240254045
7101026031441
oct17031660615
95183051402
102020041101
11947295861
12484611325
132626733c0
141523d4821
15bc520a6b
hex7867618d

2020041101 has 8 divisors (see below), whose sum is σ = 2177233464. Its totient is φ = 1863106560.

The previous prime is 2020041097. The next prime is 2020041103. The reversal of 2020041101 is 1011400202.

It can be written as a sum of positive squares in 4 ways, for example, as 4120900 + 2015920201 = 2030^2 + 44899^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020041101 - 22 = 2020041097 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 (2020041103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48020 + ... + 79661.

It is an arithmetic number, because the mean of its divisors is an integer number (272154183).

Almost surely, 22020041101 is an apocalyptic number.

It is an amenable number.

2020041101 is a deficient number, since it is larger than the sum of its proper divisors (157192363).

2020041101 is a wasteful number, since it uses less digits than its factorization.

2020041101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128911.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2020041101 is about 44944.8673487863. The cubic root of 2020041101 is about 1264.1154384118.

Adding to 2020041101 its reverse (1011400202), we get a palindrome (3031441303).

The spelling of 2020041101 in words is "two billion, twenty million, forty-one thousand, one hundred one".

Divisors: 1 13 1217 15821 127681 1659853 155387777 2020041101