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33103222020 = 223351119728289
BaseRepresentation
bin11110110101000110…
…110001010100000100
310011110000112220201000
4132311012301110010
51020243411101040
623112444533300
72251220513241
oct366506612404
9104400486630
1033103222020
11130479a6730
1264ba251230
13317727a84b
1418606405c8
15cdb2ac130
hex7b51b1504

33103222020 has 192 divisors, whose sum is σ = 112924627200. Its totient is φ = 7984005120.

The previous prime is 33103221997. The next prime is 33103222057. The reversal of 33103222020 is 2022230133.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 33103221984 and 33103222002.

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, 1156036 + ... + 1184324.

It is an arithmetic number, because the mean of its divisors is an integer number (588149100).

Almost surely, 233103222020 is an apocalyptic number.

33103222020 is a gapful number since it is divisible by the number (30) 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 33103222020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56462313600).

33103222020 is an abundant number, since it is smaller than the sum of its proper divisors (79821405180).

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

33103222020 is a wasteful number, since it uses less digits than its factorization.

33103222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28515 (or 28507 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 33103222020 its reverse (2022230133), we get a palindrome (35125452153).

The spelling of 33103222020 in words is "thirty-three billion, one hundred three million, two hundred twenty-two thousand, twenty".