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20010022212201 = 372200367959361
BaseRepresentation
bin1001000110010111100100…
…10001000001001001101001
32121211221100212000122012020
410203023302101001021221
510110321011141242301
6110320251032535053
74133451001305300
oct443136221011151
977757325018166
1020010022212201
11641522597343a
1222b20abb51489
13b21c2477a508
144d26c1323437
1524a78eb80436
hex1232f2441269

20010022212201 has 24 divisors (see below), whose sum is σ = 31051448010144. Its totient is φ = 11428589652480.

The previous prime is 20010022212139. The next prime is 20010022212211. The reversal of 20010022212201 is 10221222001002.

It is not a de Polignac number, because 20010022212201 - 221 = 20010020115049 is a prime.

It is a super-3 number, since 3×200100222122013 (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20010022212211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33685240 + ... + 34274121.

It is an arithmetic number, because the mean of its divisors is an integer number (1293810333756).

Almost surely, 220010022212201 is an apocalyptic number.

20010022212201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20010022212201 is a deficient number, since it is larger than the sum of its proper divisors (11041425797943).

20010022212201 is a wasteful number, since it uses less digits than its factorization.

20010022212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67961381 (or 67961374 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20010022212201 its reverse (10221222001002), we get a palindrome (30231244213203).

The spelling of 20010022212201 in words is "twenty trillion, ten billion, twenty-two million, two hundred twelve thousand, two hundred one".

Divisors: 1 3 7 21 49 147 2003 6009 14021 42063 98147 294441 67959361 203878083 475715527 1427146581 3330008689 9990026067 136122600083 408367800249 952858200581 2858574601743 6670007404067 20010022212201