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10210442020 = 22543109108923
BaseRepresentation
bin10011000001001011…
…01111101100100100
3222100120202012022021
421200211233230210
5131402333121040
64405101112524
7511011216352
oct114045575444
928316665267
1010210442020
11436a58a239
121b8b558744
13c6948c58c
146cc0a27d2
153eb5cb24a
hex26096fb24

10210442020 has 48 divisors (see below), whose sum is σ = 22142070720. Its totient is φ = 3952561536.

The previous prime is 10210441973. The next prime is 10210442027. The reversal of 10210442020 is 2024401201.

It is a junction number, because it is equal to n+sod(n) for n = 10210441985 and 10210442003.

It is not an unprimeable number, because it can be changed into a prime (10210442027) 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, 39279 + ... + 148201.

It is an arithmetic number, because the mean of its divisors is an integer number (461293140).

Almost surely, 210210442020 is an apocalyptic number.

10210442020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10210442020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11071035360).

10210442020 is an abundant number, since it is smaller than the sum of its proper divisors (11931628700).

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

10210442020 is a wasteful number, since it uses less digits than its factorization.

10210442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109084 (or 109082 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10210442020 its reverse (2024401201), we get a palindrome (12234843221).

The spelling of 10210442020 in words is "ten billion, two hundred ten million, four hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 43 86 109 172 215 218 430 436 545 860 1090 2180 4687 9374 18748 23435 46870 93740 108923 217846 435692 544615 1089230 2178460 4683689 9367378 11872607 18734756 23418445 23745214 46836890 47490428 59363035 93673780 118726070 237452140 510522101 1021044202 2042088404 2552610505 5105221010 10210442020