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20122202100000 = 2535571113371811
BaseRepresentation
bin1001001001101000100001…
…01101010101000100100000
32122020122220212021101110110
410210310100231111010200
510114140232214200000
6110444002333131320
74144531632520620
oct444642055250440
978218825241413
1020122202100000
116458861556510
12230b998929b40
13b2c691786550
144d7cc3c2a880
1524d658320850
hex124d10b55120

20122202100000 has 2304 divisors, whose sum is σ = 91090657824768. Its totient is φ = 3753216000000.

The previous prime is 20122202099977. The next prime is 20122202100047. The reversal of 20122202100000 is 120222102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 11111099095 + ... + 11111100905.

It is an arithmetic number, because the mean of its divisors is an integer number (39535875792).

Almost surely, 220122202100000 is an apocalyptic number.

20122202100000 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 20122202100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45545328912384).

20122202100000 is an abundant number, since it is smaller than the sum of its proper divisors (70968455724768).

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

20122202100000 is a wasteful number, since it uses less digits than its factorization.

20122202100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1917 (or 1889 counting only the distinct ones).

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

Adding to 20122202100000 its reverse (120222102), we get a palindrome (20122322322102).

It can be divided in two parts, 20122202 and 100000, that added together give a palindrome (20222202).

The spelling of 20122202100000 in words is "twenty trillion, one hundred twenty-two billion, two hundred two million, one hundred thousand".