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2020210031213 = 111731615712989
BaseRepresentation
bin11101011001011101111…
…001101011101001101101
321011010111220120210212122
4131121131321223221231
5231044342231444323
64144023252042325
7265645454635613
oct35313571535155
97133456523778
102020210031213
11709847994420
122876443033a5
131186745c911a
146dac8a096b3
153783c3d4ec8
hex1d65de6ba6d

2020210031213 has 32 divisors (see below), whose sum is σ = 2448267586560. Its totient is φ = 1645340544000.

The previous prime is 2020210031183. The next prime is 2020210031237. The reversal of 2020210031213 is 3121300120202.

It is a cyclic number.

It is not a de Polignac number, because 2020210031213 - 26 = 2020210031149 is a prime.

It is a super-3 number, since 3×20202100312133 (a number of 38 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 2020210031191 and 2020210031200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020210031513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2502878 + ... + 3210111.

It is an arithmetic number, because the mean of its divisors is an integer number (76508362080).

Almost surely, 22020210031213 is an apocalyptic number.

It is an amenable number.

2020210031213 is a deficient number, since it is larger than the sum of its proper divisors (428057555347).

2020210031213 is a wasteful number, since it uses less digits than its factorization.

2020210031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5713109.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2020210031213 its reverse (3121300120202), we get a palindrome (5141510151415).

The spelling of 2020210031213 in words is "two trillion, twenty billion, two hundred ten million, thirty-one thousand, two hundred thirteen".

Divisors: 1 11 17 31 61 187 341 527 671 1037 1891 5797 11407 20801 32147 353617 5712989 62842879 97120813 177102659 348492329 1068328943 1948129249 3010745203 3833415619 5924369593 10803262199 33118197233 65168065523 118835884189 183655457383 2020210031213