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2020201121201 = 5881693434729
BaseRepresentation
bin11101011001011101010…
…111101100010110110001
321011010111021211010122012
4131121131113230112301
5231044332441334301
64144022333052305
7265645316126114
oct35313527542661
97133437733565
102020201121201
1170984295917a
12287641327095
131186727c9723
146dac776a57b
153783b724ebb
hex1d65d5ec5b1

2020201121201 has 4 divisors (see below), whose sum is σ = 2020205144100. Its totient is φ = 2020197098304.

The previous prime is 2020201121179. The next prime is 2020201121203. The reversal of 2020201121201 is 1021211020202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 706736136976 + 1313464984225 = 840676^2 + 1146065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2020201121201 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2020201121203) 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, 1129196 + ... + 2305533.

It is an arithmetic number, because the mean of its divisors is an integer number (505051286025).

Almost surely, 22020201121201 is an apocalyptic number.

It is an amenable number.

2020201121201 is a deficient number, since it is larger than the sum of its proper divisors (4022899).

2020201121201 is an equidigital number, since it uses as much as digits as its factorization.

2020201121201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4022898.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2020201121201 its reverse (1021211020202), we get a palindrome (3041412141403).

The spelling of 2020201121201 in words is "two trillion, twenty billion, two hundred one million, one hundred twenty-one thousand, two hundred one".

Divisors: 1 588169 3434729 2020201121201