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2020212301231 = 2777293185203
BaseRepresentation
bin11101011001011110000…
…010010101110110101111
321011010112001212010202101
4131121132002111312233
5231044343322114411
64144023412435531
7265645513142005
oct35313602256657
97133461763671
102020212301231
117098491a4973
12287645018ba7
13118674c12427
146dac903aa75
153783c6d28c1
hex1d65e095daf

2020212301231 has 4 divisors (see below), whose sum is σ = 2027505486712. Its totient is φ = 2012919115752.

The previous prime is 2020212301187. The next prime is 2020212301259. The reversal of 2020212301231 is 1321032120202.

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

It is a cyclic number.

It is not a de Polignac number, because 2020212301231 - 29 = 2020212300719 is a prime.

It is a super-2 number, since 2×20202123012312 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020212301199 and 2020212301208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020212301831) 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, 3646592325 + ... + 3646592878.

It is an arithmetic number, because the mean of its divisors is an integer number (506876371678).

Almost surely, 22020212301231 is an apocalyptic number.

2020212301231 is a deficient number, since it is larger than the sum of its proper divisors (7293185481).

2020212301231 is an equidigital number, since it uses as much as digits as its factorization.

2020212301231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7293185480.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 2020212301231 its reverse (1321032120202), we get a palindrome (3341244421433).

The spelling of 2020212301231 in words is "two trillion, twenty billion, two hundred twelve million, three hundred one thousand, two hundred thirty-one".

Divisors: 1 277 7293185203 2020212301231