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20021122022 = 21129373672311
BaseRepresentation
bin10010101001010110…
…100001001111100110
31220200022021101012212
4102221112201033212
5312000401401042
613110402043422
71306066505066
oct225126411746
956608241185
1020021122022
118544446340
123a69049572
131b70b91985
14d7d0233a6
157c2a3e482
hex4a95a13e6

20021122022 has 64 divisors (see below), whose sum is σ = 34917488640. Its totient is φ = 8522236800.

The previous prime is 20021122021. The next prime is 20021122061. The reversal of 20021122022 is 22022112002.

It is a junction number, because it is equal to n+sod(n) for n = 20021121988 and 20021122006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20021122021) 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 31 ways as a sum of consecutive naturals, for example, 8662247 + ... + 8664557.

It is an arithmetic number, because the mean of its divisors is an integer number (545585760).

Almost surely, 220021122022 is an apocalyptic number.

20021122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20021122022 is a deficient number, since it is larger than the sum of its proper divisors (14896366618).

20021122022 is a wasteful number, since it uses less digits than its factorization.

20021122022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20021122022 its reverse (22022112002), we get a palindrome (42043234024).

The spelling of 20021122022 in words is "twenty billion, twenty-one million, one hundred twenty-two thousand, twenty-two".

Divisors: 1 2 11 22 29 37 58 74 319 367 407 638 734 814 1073 2146 2311 4037 4622 8074 10643 11803 13579 21286 23606 25421 27158 50842 67019 85507 117073 134038 149369 171014 234146 298738 393791 737209 787582 848137 940577 1474418 1696274 1881154 2479703 4331701 4959406 8663402 9329507 18659014 24595973 27276733 31381069 49191946 54553466 62762138 270555703 345191759 541111406 690383518 910051001 1820102002 10010561011 20021122022