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20102022101 = 72596953311
BaseRepresentation
bin10010101110001011…
…001000001111010101
31220212221111112021002
4102232023020033111
5312132104201401
613122412033045
71311101240300
oct225613101725
956787445232
1020102022101
118586081807
123a90162785
131b84878945
14d89a81b37
157c9bbea6b
hex4ae2c83d5

20102022101 has 12 divisors (see below), whose sum is σ = 23780327040. Its totient is φ = 16938263160.

The previous prime is 20102022053. The next prime is 20102022119. The reversal of 20102022101 is 10122020102.

It is a happy number.

It is not a de Polignac number, because 20102022101 - 234 = 2922152917 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102022121) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 3473765 + ... + 3479546.

It is an arithmetic number, because the mean of its divisors is an integer number (1981693920).

Almost surely, 220102022101 is an apocalyptic number.

It is an amenable number.

20102022101 is a deficient number, since it is larger than the sum of its proper divisors (3678304939).

20102022101 is an equidigital number, since it uses as much as digits as its factorization.

20102022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6953384 (or 6953377 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 20102022101 its reverse (10122020102), we get a palindrome (30224042203).

The spelling of 20102022101 in words is "twenty billion, one hundred two million, twenty-two thousand, one hundred one".

Divisors: 1 7 49 59 413 2891 6953311 48673177 340712239 410245349 2871717443 20102022101