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20022201212200 = 235211191812646409
BaseRepresentation
bin1001000110101110010000…
…01100001101110100101000
32121220002210121221221101021
410203113020030031310220
510111020432002242300
6110330023335102224
74134361545144025
oct443271014156450
977802717857337
1020022201212200
11641a4056743a0
1222b452a811974
13b23115a259a5
144d3118a1854c
1524ac53eacd1a
hex1235c830dd28

20022201212200 has 192 divisors, whose sum is σ = 53751762792000. Its totient is φ = 6859489536000.

The previous prime is 20022201212191. The next prime is 20022201212227. The reversal of 20022201212200 is 221210222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6242596 + ... + 8889004.

It is an arithmetic number, because the mean of its divisors is an integer number (279957097875).

Almost surely, 220022201212200 is an apocalyptic number.

20022201212200 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 20022201212200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26875881396000).

20022201212200 is an abundant number, since it is smaller than the sum of its proper divisors (33729561579800).

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

20022201212200 is a wasteful number, since it uses less digits than its factorization.

20022201212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646636 (or 2646627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 20022201212200 its reverse (221210222002), we get a palindrome (20243411434202).

The spelling of 20022201212200 in words is "twenty trillion, twenty-two billion, two hundred one million, two hundred twelve thousand, two hundred".