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20413410212 = 221317118119553
BaseRepresentation
bin10011000000101110…
…111110101110100100
31221200122102200110002
4103000232332232210
5313301313111322
613213334120432
71321602060326
oct230056765644
957618380402
1020413410212
118725924258
123b584b0118
131c04233070
14db917b616
157e71ccc92
hex4c0bbeba4

20413410212 has 48 divisors (see below), whose sum is σ = 40771028592. Its totient is φ = 8859402240.

The previous prime is 20413410203. The next prime is 20413410217. The reversal of 20413410212 is 21201431402.

It can be written as a sum of positive squares in 8 ways, for example, as 2953487716 + 17459922496 = 54346^2 + 132136^2 .

It is not an unprimeable number, because it can be changed into a prime (20413410217) 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, 1034228 + ... + 1053780.

It is an arithmetic number, because the mean of its divisors is an integer number (849396429).

Almost surely, 220413410212 is an apocalyptic number.

It is an amenable number.

20413410212 is a deficient number, since it is larger than the sum of its proper divisors (20357618380).

20413410212 is a wasteful number, since it uses less digits than its factorization.

20413410212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20768 (or 20766 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20413410212 its reverse (21201431402), we get a palindrome (41614841614).

The spelling of 20413410212 in words is "twenty billion, four hundred thirteen million, four hundred ten thousand, two hundred twelve".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 884 1181 2362 4724 15353 19553 20077 30706 39106 40154 61412 78212 80308 254189 261001 332401 508378 522002 664802 1016756 1044004 1329604 4321213 8642426 17284852 23092093 46184186 92368372 300197209 392565581 600394418 785131162 1200788836 1570262324 5103352553 10206705106 20413410212