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22004420253420 = 223511713531330249
BaseRepresentation
bin1010000000011010011011…
…01001110001011011101100
32212220121020212210111101110
411000031031221301123230
510341010023041102140
6114444405140312020
74430524022041113
oct500151551613354
985817225714343
1022004420253420
117014027640720
12257472b9a2610
13c3801454c977
1456103bbb8c7a
152825bae4d380
hex14034da716ec

22004420253420 has 192 divisors, whose sum is σ = 68353310592000. Its totient is φ = 5244369715200.

The previous prime is 22004420253419. The next prime is 22004420253437. The reversal of 22004420253420 is 2435202440022.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15876456 + ... + 17206704.

It is an arithmetic number, because the mean of its divisors is an integer number (356006826000).

Almost surely, 222004420253420 is an apocalyptic number.

22004420253420 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 22004420253420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34176655296000).

22004420253420 is an abundant number, since it is smaller than the sum of its proper divisors (46348890338580).

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

22004420253420 is a wasteful number, since it uses less digits than its factorization.

22004420253420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1330696 (or 1330694 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22004420253420 its reverse (2435202440022), we get a palindrome (24439622693442).

The spelling of 22004420253420 in words is "twenty-two trillion, four billion, four hundred twenty million, two hundred fifty-three thousand, four hundred twenty".