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20101202020010 = 257925444559519
BaseRepresentation
bin1001001001000001011010…
…00000011000011010101010
32122011122201022220210101002
410210200231000120122222
510113314230204120020
6110430210440355002
74143156345010616
oct444405500303252
978148638823332
1020101202020010
11644a965559601
1223078b7a75a62
13b2a6c5b44207
144d6c90bb6346
1524cd298a9975
hex12482d0186aa

20101202020010 has 16 divisors (see below), whose sum is σ = 36640165708800. Its totient is φ = 7938702569616.

The previous prime is 20101202019937. The next prime is 20101202020021. The reversal of 20101202020010 is 1002020210102.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20101202019973 and 20101202020000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12722278970 + ... + 12722280549.

It is an arithmetic number, because the mean of its divisors is an integer number (2290010356800).

Almost surely, 220101202020010 is an apocalyptic number.

20101202020010 is a deficient number, since it is larger than the sum of its proper divisors (16538963688790).

20101202020010 is a wasteful number, since it uses less digits than its factorization.

20101202020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25444559605.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20101202020010 its reverse (1002020210102), we get a palindrome (21103222230112).

The spelling of 20101202020010 in words is "twenty trillion, one hundred one billion, two hundred two million, twenty thousand, ten".

Divisors: 1 2 5 10 79 158 395 790 25444559519 50889119038 127222797595 254445595190 2010120202001 4020240404002 10050601010005 20101202020010