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10101322020 = 2235168355367
BaseRepresentation
bin10010110100001010…
…11111000100100100
3222001222102022210210
421122011133010210
5131141414301040
64350202215420
7505214551266
oct113205370444
928058368723
1010101322020
114313a29819
121b5aab4570
13c4c9a492a
146bb7b9b36
153e1c24480
hex25a15f124

10101322020 has 24 divisors (see below), whose sum is σ = 28283701824. Its totient is φ = 2693685856.

The previous prime is 10101322009. The next prime is 10101322037. The reversal of 10101322020 is 2022310101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 10101321987 and 10101322005.

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, 84177624 + ... + 84177743.

It is an arithmetic number, because the mean of its divisors is an integer number (1178487576).

Almost surely, 210101322020 is an apocalyptic number.

10101322020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10101322020 is an abundant number, since it is smaller than the sum of its proper divisors (18182379804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10101322020 is a wasteful number, since it uses less digits than its factorization.

10101322020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168355379 (or 168355377 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 10101322020 its reverse (2022310101), we get a palindrome (12123632121).

The spelling of 10101322020 in words is "ten billion, one hundred one million, three hundred twenty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 168355367 336710734 505066101 673421468 841776835 1010132202 1683553670 2020264404 2525330505 3367107340 5050661010 10101322020