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12022030020 = 223571121331587
BaseRepresentation
bin10110011001001000…
…11001111011000100
31011000211120101212010
423030210121323010
5144110114430040
65304533454220
7603626366130
oct131444317304
934024511763
1012022030020
11510a139100
1223b61a1370
1311978a8c40
148209143c0
154a5672e80
hex2cc919ec4

12022030020 has 576 divisors, whose sum is σ = 47087566848. Its totient is φ = 2227737600.

The previous prime is 12022029983. The next prime is 12022030079. The reversal of 12022030020 is 2003022021.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12022029978 and 12022030005.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 20480167 + ... + 20480753.

It is an arithmetic number, because the mean of its divisors is an integer number (81749248).

Almost surely, 212022030020 is an apocalyptic number.

12022030020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12022030020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23543783424).

12022030020 is an abundant number, since it is smaller than the sum of its proper divisors (35065536828).

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

12022030020 is a wasteful number, since it uses less digits than its factorization.

12022030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672 (or 659 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 12022030020 its reverse (2003022021), we get a palindrome (14025052041).

The spelling of 12022030020 in words is "twelve billion, twenty-two million, thirty thousand, twenty".