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22020020202000 = 24353171012137451
BaseRepresentation
bin1010000000110111011110…
…11110110110101000010000
32212222002112001211222210210
411000123233132312220100
510341234000132431000
6114455505125324120
74431615425313552
oct500335736665020
985862461758723
1022020020202000
11701a702385a07
122577764266640
13c3962c477082
14561abb9714d2
15282bd0770350
hex1406ef7b6a10

22020020202000 has 320 divisors, whose sum is σ = 75912856051968. Its totient is φ = 5471872000000.

The previous prime is 22020020201981. The next prime is 22020020202001. The reversal of 22020020202000 is 20202002022.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (22020020202001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9233275 + ... + 11370725.

Almost surely, 222020020202000 is an apocalyptic number.

22020020202000 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 22020020202000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37956428025984).

22020020202000 is an abundant number, since it is smaller than the sum of its proper divisors (53892835849968).

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

22020020202000 is a wasteful number, since it uses less digits than its factorization.

22020020202000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137595 (or 2137579 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

Adding to 22020020202000 its reverse (20202002022), we get a palindrome (22040222204022).

The spelling of 22020020202000 in words is "twenty-two trillion, twenty billion, twenty million, two hundred two thousand".