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10120310020 = 225991510611
BaseRepresentation
bin10010110110011011…
…11010110100000100
3222010022011000110001
421123031322310010
5131211244410040
64352121211044
7505535134012
oct113315726404
928108130401
1010120310020
114323718787
121b65330a84
13c538c2532
146c011d8b2
153e372559a
hex25b37ad04

10120310020 has 24 divisors (see below), whose sum is σ = 21274138368. Its totient is φ = 4044031200.

The previous prime is 10120310009. The next prime is 10120310033. The reversal of 10120310020 is 2001302101.

10120310020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 10120309979 and 10120310006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235486 + ... + 275125.

It is an arithmetic number, because the mean of its divisors is an integer number (886422432).

Almost surely, 210120310020 is an apocalyptic number.

10120310020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120310020 is an abundant number, since it is smaller than the sum of its proper divisors (11153828348).

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

10120310020 is a wasteful number, since it uses less digits than its factorization.

10120310020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511611 (or 511609 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10120310020 its reverse (2001302101), we get a palindrome (12121612121).

The spelling of 10120310020 in words is "ten billion, one hundred twenty million, three hundred ten thousand, twenty".

Divisors: 1 2 4 5 10 20 991 1982 3964 4955 9910 19820 510611 1021222 2042444 2553055 5106110 10212220 506015501 1012031002 2024062004 2530077505 5060155010 10120310020