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22212020000 = 255423109443
BaseRepresentation
bin10100101011111100…
…001000011100100000
32010022222211112020102
4110223330020130200
5330442234120000
614112024401532
71414302024542
oct245374103440
963288745212
1022212020000
119469119425
12437a9162a8
13212ca57401
141109db1692
158a005e3d5
hex52bf08720

22212020000 has 240 divisors, whose sum is σ = 57673788480. Its totient is φ = 8401536000.

The previous prime is 22212019997. The next prime is 22212020003. The reversal of 22212020000 is 2021222.

It is an interprime number because it is at equal distance from previous prime (22212019997) and next prime (22212020003).

It is not an unprimeable number, because it can be changed into a prime (22212020003) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 50139779 + ... + 50140221.

It is an arithmetic number, because the mean of its divisors is an integer number (240307452).

Almost surely, 222212020000 is an apocalyptic number.

22212020000 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 22212020000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28836894240).

22212020000 is an abundant number, since it is smaller than the sum of its proper divisors (35461768480).

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

22212020000 is a wasteful number, since it uses less digits than its factorization.

22212020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

Adding to 22212020000 its reverse (2021222), we get a palindrome (22214041222).

The spelling of 22212020000 in words is "twenty-two billion, two hundred twelve million, twenty thousand".