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20022020022 = 2347711019901
BaseRepresentation
bin10010101001011001…
…111100011110110110
31220200100222000001010
4102221121330132312
5312001114120042
613110433213050
71306110235134
oct225131743666
956610860033
1020022020022
1185449a9a94
123a69401186
131b71117634
14d7d1b8754
157c2b6a59c
hex4a967c7b6

20022020022 has 64 divisors (see below), whose sum is σ = 41886885888. Its totient is φ = 6375600000.

The previous prime is 20022020021. The next prime is 20022020033. The reversal of 20022020022 is 22002022002.

It is a super-2 number, since 2×200220200222 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022020021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2017272 + ... + 2027172.

It is an arithmetic number, because the mean of its divisors is an integer number (654482592).

Almost surely, 220022020022 is an apocalyptic number.

20022020022 is an abundant number, since it is smaller than the sum of its proper divisors (21864865866).

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

20022020022 is a wasteful number, since it uses less digits than its factorization.

20022020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10125.

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 20022020022 its reverse (22002022002), we get a palindrome (42024042024).

The spelling of 20022020022 in words is "twenty billion, twenty-two million, twenty thousand, twenty-two".

Divisors: 1 2 3 6 47 71 94 101 141 142 202 213 282 303 426 606 3337 4747 6674 7171 9494 9901 10011 14241 14342 19802 20022 21513 28482 29703 43026 59406 337037 465347 674074 702971 930694 1000001 1011111 1396041 1405942 2000002 2022222 2108913 2792082 3000003 4217826 6000006 33039637 47000047 66079274 71000071 94000094 99118911 141000141 142000142 198237822 213000213 282000282 426000426 3337003337 6674006674 10011010011 20022020022