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10000022020 = 225677462703
BaseRepresentation
bin10010101000000110…
…00011101000000100
3221210220210202022221
421110003003220010
5130440001201040
64332143102124
7502544533102
oct112403035004
927726722287
1010000022020
11427182a60a
121b30ba1944
13c349c74c1
146ac16ac72
153d7db474a
hex2540c3a04

10000022020 has 24 divisors (see below), whose sum is σ = 21313482624. Its totient is φ = 3940306656.

The previous prime is 10000022017. The next prime is 10000022029. The reversal of 10000022020 is 2022000001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10000021994 and 10000022012.

It is not an unprimeable number, because it can be changed into a prime (10000022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3730012 + ... + 3732691.

It is an arithmetic number, because the mean of its divisors is an integer number (888061776).

Almost surely, 210000022020 is an apocalyptic number.

10000022020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10000022020 is an abundant number, since it is smaller than the sum of its proper divisors (11313460604).

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

10000022020 is a wasteful number, since it uses less digits than its factorization.

10000022020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462779 (or 7462777 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 10000022020 its reverse (2022000001), we get a palindrome (12022022021).

The spelling of 10000022020 in words is "ten billion, twenty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 7462703 14925406 29850812 37313515 74627030 149254060 500001101 1000002202 2000004404 2500005505 5000011010 10000022020