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20222120210000 = 245429227307187
BaseRepresentation
bin1001001100100010101000…
…10010101010111001010000
32122121012211022211021202012
410212101110102222321100
510122304400233210000
6111001525213042052
74154666663452022
oct446212422527120
978535738737665
1020222120210000
11649717573a425
122327223186328
13b38c26323567
144dca82052012
15251055281735
hex1264544aae50

20222120210000 has 200 divisors, whose sum is σ = 50871328089120. Its totient is φ = 7775492032000.

The previous prime is 20222120209987. The next prime is 20222120210041. The reversal of 20222120210000 is 1202122202.

It is a tau number, because it is divible by the number of its divisors (200).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 65676407 + ... + 65983593.

Almost surely, 220222120210000 is an apocalyptic number.

20222120210000 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 20222120210000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25435664044560).

20222120210000 is an abundant number, since it is smaller than the sum of its proper divisors (30649207879120).

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

20222120210000 is a wasteful number, since it uses less digits than its factorization.

20222120210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307471 (or 307450 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 20222120210000 its reverse (1202122202), we get a palindrome (20223322332202).

The spelling of 20222120210000 in words is "twenty trillion, two hundred twenty-two billion, one hundred twenty million, two hundred ten thousand".