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20000220120013 = 716372957590251
BaseRepresentation
bin1001000110000101010100…
…00001000000001111001101
32121211000001201122202112211
410203002222001000033031
510110140422322320023
6110311550240030421
74132653046015120
oct443025201001715
977730051582484
1020000220120013
116411055942501
1222b0215302411
13b21021a93c73
144d203159a3b7
1524a3b9366a0d
hex1230aa0403cd

20000220120013 has 16 divisors (see below), whose sum is σ = 22879130811264. Its totient is φ = 17126750664000.

The previous prime is 20000220119993. The next prime is 20000220120043. The reversal of 20000220120013 is 31002102200002.

It is a cyclic number.

It is not a de Polignac number, because 20000220120013 - 29 = 20000220119501 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20000220119975 and 20000220120002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20000220120043) 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, 33589138 + ... + 34179388.

It is an arithmetic number, because the mean of its divisors is an integer number (1429945675704).

Almost surely, 220000220120013 is an apocalyptic number.

It is an amenable number.

20000220120013 is a deficient number, since it is larger than the sum of its proper divisors (2878910691251).

20000220120013 is a wasteful number, since it uses less digits than its factorization.

20000220120013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594852.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 20000220120013 its reverse (31002102200002), we get a palindrome (51002322320015).

The spelling of 20000220120013 in words is "twenty trillion, two hundred twenty million, one hundred twenty thousand, thirteen".

Divisors: 1 7 1637 2957 11459 20699 590251 4131757 4840609 33884263 966240887 1745372207 6763686209 12217605449 2857174302859 20000220120013