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20221012020000 = 253541156354419
BaseRepresentation
bin1001001100100000100100…
…01111010000101100100000
32122121002222002120101212010
410212100102033100230200
510122300113034120000
6111001223224432520
74154630346135261
oct446202217205440
978532862511763
1020221012020000
116496757140920
122326b74018740
13b38aaa865b2c
144dc9b8bc0968
15250edcd2dd50
hex1264123d0b20

20221012020000 has 480 divisors, whose sum is σ = 72488725182720. Its totient is φ = 4893266560000.

The previous prime is 20221012019963. The next prime is 20221012020007. The reversal of 20221012020000 is 2021012202.

It is a tau number, because it is divible by the number of its divisors (480).

It is a super-2 number, since 2×202210120200002 (a number of 27 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (20221012020007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 371552791 + ... + 371607209.

It is an arithmetic number, because the mean of its divisors is an integer number (151018177464).

Almost surely, 220221012020000 is an apocalyptic number.

20221012020000 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 20221012020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36244362591360).

20221012020000 is an abundant number, since it is smaller than the sum of its proper divisors (52267713162720).

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

20221012020000 is a wasteful number, since it uses less digits than its factorization.

20221012020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55026 (or 55003 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20221012020000 its reverse (2021012202), we get a palindrome (20223033032202).

The spelling of 20221012020000 in words is "twenty trillion, two hundred twenty-one billion, twelve million, twenty thousand".