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22234102155020 = 225717431371585819
BaseRepresentation
bin1010000111000110001111…
…10000101100011100001100
32220201120002210211000021202
411003203013300230130030
510403240420122430040
6115142112220445032
74453234531015310
oct503430760543414
986646083730252
1022234102155020
1170a248002a908
1225b114b9a9778
13c5388906a412
1456c1c9d7db40
15288560115015
hex1438c7c2c70c

22234102155020 has 192 divisors, whose sum is σ = 58236790993920. Its totient is φ = 6956691775488.

The previous prime is 22234102155017. The next prime is 22234102155029. The reversal of 22234102155020 is 2055120143222.

It is a happy number.

It is a super-2 number, since 2×222341021550202 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22234102155029) 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, 13227671 + ... + 14813489.

It is an arithmetic number, because the mean of its divisors is an integer number (303316619760).

Almost surely, 222234102155020 is an apocalyptic number.

22234102155020 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 22234102155020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29118395496960).

22234102155020 is an abundant number, since it is smaller than the sum of its proper divisors (36002688838900).

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

22234102155020 is a wasteful number, since it uses less digits than its factorization.

22234102155020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586032 (or 1586030 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 22234102155020 its reverse (2055120143222), we get a palindrome (24289222298242).

The spelling of 22234102155020 in words is "twenty-two trillion, two hundred thirty-four billion, one hundred two million, one hundred fifty-five thousand, twenty".