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1010122210020 = 22357211313492887
BaseRepresentation
bin11101011001011111111…
…10011011101011100100
310120120022011010222020110
432230233332123223210
5113022212241210040
62052013240333020
7132656525055300
oct16545776335344
93516264128213
101010122210020
1135a432721120
12143927a74170
137433c3a4b21
1436c668dcd00
151b420214980
hexeb2ff9bae4

1010122210020 has 576 divisors, whose sum is σ = 3716897587200. Its totient is φ = 202472524800.

The previous prime is 1010122209983. The next prime is 1010122210033. The reversal of 1010122210020 is 200122210101.

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 = 1010122209978 and 1010122210005.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 349885017 + ... + 349887903.

It is an arithmetic number, because the mean of its divisors is an integer number (6452947200).

Almost surely, 21010122210020 is an apocalyptic number.

1010122210020 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 1010122210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858448793600).

1010122210020 is an abundant number, since it is smaller than the sum of its proper divisors (2706775377180).

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

1010122210020 is a wasteful number, since it uses less digits than its factorization.

1010122210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3295 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1010122210020 its reverse (200122210101), we get a palindrome (1210244420121).

The spelling of 1010122210020 in words is "one trillion, ten billion, one hundred twenty-two million, two hundred ten thousand, twenty".