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20222012020 = 2257481330011
BaseRepresentation
bin10010110101010100…
…110110101001110100
31221012022021122111011
4102311110312221310
5312403313341040
613142335522004
71314056160160
oct226524665164
957168248434
1020222012020
118637886a31
123b04389304
131ba369b0b2
14d9b997ca0
157d54c23ea
hex4b5536a74

20222012020 has 48 divisors (see below), whose sum is σ = 48544530048. Its totient is φ = 6931589760.

The previous prime is 20222011991. The next prime is 20222012071. The reversal of 20222012020 is 2021022202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 658815 + ... + 688825.

It is an arithmetic number, because the mean of its divisors is an integer number (1011344376).

Almost surely, 220222012020 is an apocalyptic number.

20222012020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20222012020 is an abundant number, since it is smaller than the sum of its proper divisors (28322518028).

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

20222012020 is a wasteful number, since it uses less digits than its factorization.

20222012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34840 (or 34838 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 20222012020 its reverse (2021022202), we get a palindrome (22243034222).

The spelling of 20222012020 in words is "twenty billion, two hundred twenty-two million, twelve thousand, twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 4813 9626 19252 24065 30011 33691 48130 60022 67382 96260 120044 134764 150055 168455 210077 300110 336910 420154 600220 673820 840308 1050385 2100770 4201540 144442943 288885886 577771772 722214715 1011100601 1444429430 2022201202 2888858860 4044402404 5055503005 10111006010 20222012020