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13220020201 = 2359109139643
BaseRepresentation
bin11000100111111100…
…10111111111101001
31021010022210121102211
430103332113333221
5204033311121301
610023450525121
7645414213643
oct142376277751
937108717384
1013220020201
1156743a1933
12268b4367a1
131328b4867b
148d5a7d893
15525913051
hex313f97fe9

13220020201 has 32 divisors (see below), whose sum is σ = 14281344000. Its totient is φ = 12209237568.

The previous prime is 13220020193. The next prime is 13220020249. The reversal of 13220020201 is 10202002231.

It is not a de Polignac number, because 13220020201 - 23 = 13220020193 is a prime.

It is a super-2 number, since 2×132200202012 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13220020601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20559586 + ... + 20560228.

It is an arithmetic number, because the mean of its divisors is an integer number (446292000).

Almost surely, 213220020201 is an apocalyptic number.

It is an amenable number.

13220020201 is a deficient number, since it is larger than the sum of its proper divisors (1061323799).

13220020201 is a wasteful number, since it uses less digits than its factorization.

13220020201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973.

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

Adding to 13220020201 its reverse (10202002231), we get a palindrome (23422022432).

The spelling of 13220020201 in words is "thirteen billion, two hundred twenty million, twenty thousand, two hundred one".

Divisors: 1 23 59 109 139 643 1357 2507 3197 6431 8201 14789 15151 37937 70087 89377 147913 188623 348473 872551 893909 1612001 2055671 4135133 5273243 9742093 20559907 95108059 121284589 224068139 574783487 13220020201