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20022103124 = 22172111395463
BaseRepresentation
bin10010101001011010…
…010000110001010100
31220200101010020000222
4102221122100301110
5312001124244444
613110435053512
71306111032332
oct225132206124
956611106028
1020022103124
118544a56471
123a69441298
131b711463ca
14d7d1dab52
157c2b84eee
hex4a9690c54

20022103124 has 24 divisors (see below), whose sum is σ = 37275634368. Its totient is φ = 9377504640.

The previous prime is 20022103069. The next prime is 20022103133. The reversal of 20022103124 is 42130122002.

It is a super-2 number, since 2×200221031242 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683384 + ... + 712079.

It is an arithmetic number, because the mean of its divisors is an integer number (1553151432).

Almost surely, 220022103124 is an apocalyptic number.

It is an amenable number.

20022103124 is a deficient number, since it is larger than the sum of its proper divisors (17253531244).

20022103124 is a wasteful number, since it uses less digits than its factorization.

20022103124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395695 (or 1395693 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 20022103124 its reverse (42130122002), we get a palindrome (62152225126).

The spelling of 20022103124 in words is "twenty billion, twenty-two million, one hundred three thousand, one hundred twenty-four".

Divisors: 1 2 4 17 34 68 211 422 844 3587 7174 14348 1395463 2790926 5581852 23722871 47445742 94891484 294442693 588885386 1177770772 5005525781 10011051562 20022103124