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20133311313120 = 25352314327127289
BaseRepresentation
bin1001001001111101001101…
…10111100111010011100000
32122021201121002012212221020
410210332212313213103200
510114331010144004440
6110453040542125440
74145404136340225
oct444764667472340
978251532185836
1020133311313120
1164625423a8785
122311b79280880
13b307421cc035
144d865940994c
1524daa87843d0
hex124fa6de74e0

20133311313120 has 192 divisors, whose sum is σ = 66182457922560. Its totient is φ = 5135054532608.

The previous prime is 20133311313061. The next prime is 20133311313127. The reversal of 20133311313120 is 2131311333102.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133311313127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158106436 + ... + 158233724.

It is an arithmetic number, because the mean of its divisors is an integer number (344700301680).

Almost surely, 220133311313120 is an apocalyptic number.

20133311313120 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 20133311313120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33091228961280).

20133311313120 is an abundant number, since it is smaller than the sum of its proper divisors (46049146609440).

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

20133311313120 is a wasteful number, since it uses less digits than its factorization.

20133311313120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141657 (or 141649 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 20133311313120 its reverse (2131311333102), we get a palindrome (22264622646222).

The spelling of 20133311313120 in words is "twenty trillion, one hundred thirty-three billion, three hundred eleven million, three hundred thirteen thousand, one hundred twenty".