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20221012000 = 255376111839
BaseRepresentation
bin10010110101010001…
…000010100000100000
31221012020101211201101
4102311101002200200
5312403034341000
613142302244144
71314044523520
oct226521024040
957166354641
1020221012000
118637263672
123b03b86654
131ba340ab77
14d9b7b7680
157d5375e6a
hex4b5442820

20221012000 has 192 divisors, whose sum is σ = 57716305920. Its totient is φ = 6818688000.

The previous prime is 20221011973. The next prime is 20221012013. The reversal of 20221012000 is 21012202.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1702081 + ... + 1713919.

It is an arithmetic number, because the mean of its divisors is an integer number (300605760).

Almost surely, 220221012000 is an apocalyptic number.

20221012000 is a gapful number since it is divisible by the number (20) 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 20221012000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28858152960).

20221012000 is an abundant number, since it is smaller than the sum of its proper divisors (37495293920).

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

20221012000 is a wasteful number, since it uses less digits than its factorization.

20221012000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11932 (or 11914 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20221012000 its reverse (21012202), we get a palindrome (20242024202).

The spelling of 20221012000 in words is "twenty billion, two hundred twenty-one million, twelve thousand".