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20200201011213 = 3109467913202461
BaseRepresentation
bin1001001011111001110011…
…10011100100000000001101
32122112010020201222121200220
410211330321303210000031
510121430002424324323
6110543502204341553
74153262545364256
oct445747163440015
978463221877626
1020200201011213
116488947941a03
122322b265448b9
13b36b42152552
144db9a2d05b2d
152506c0cb40e3
hex125f39ce400d

20200201011213 has 16 divisors (see below), whose sum is σ = 27186509750400. Its totient is φ = 13340399302080.

The previous prime is 20200201011127. The next prime is 20200201011223. The reversal of 20200201011213 is 31211010200202.

It is not a de Polignac number, because 20200201011213 - 210 = 20200201010189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20200201011192 and 20200201011201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20200201011223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5071198 + ... + 8131263.

It is an arithmetic number, because the mean of its divisors is an integer number (1699156859400).

Almost surely, 220200201011213 is an apocalyptic number.

It is an amenable number.

20200201011213 is a deficient number, since it is larger than the sum of its proper divisors (6986308739187).

20200201011213 is a wasteful number, since it uses less digits than its factorization.

20200201011213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13207252.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 20200201011213 its reverse (31211010200202), we get a palindrome (51411211211415).

The spelling of 20200201011213 in words is "twenty trillion, two hundred billion, two hundred one million, eleven thousand, two hundred thirteen".

Divisors: 1 3 109 327 4679 14037 510011 1530033 13202461 39607383 1439068249 4317204747 61774315019 185322945057 6733400337071 20200201011213